Main areas of research interest:

• Sleep and sleep disorders
• Insomnia
• Circadian rhythms, shift work, bright light treatment, melatonin
• Sleep apnea
• Treatment of sleep disorders, incl chronic insomnia with stimulus control, sleep restriction

Short biography:

• 1983-4: Rotary scholarship at Middle Georgia College, Cochran, Georgia, USA.
• 1984-90: University of Bergen, Medical School. Highest GPA (10.74) in my class
• 1991: Internship, Vest-Agder Sentralsykehus, Kristiansand.
• 1992: Internship, General Practice, Namsos.
• 1992-5: Research fellow, Dept of Physiology, University of Bergen.
• 1994: Part-time occupational physician, Statens Vegvesen, Hordaland.
• 1995: PhD. Serotonin and the sleep/wake cycle, Dept. of Physiology, University of Bergen.
• 1995-8: Post-doctoral fellow, Dept. of Physiology, University of Bergen.
• 1997: Visiting Scientist, Dept. of Psychology, Princeton University, New Jersey, USA.
• 1998-2002: Associate Professor, Section for General Practice, University of Bergen (50%).
• 1998-2015: General Practitioner (fastlege), Ulriksdal Legesenter/Fjellsiden Legesenter (50%).
• 2003-2018: Specialist in General Practice.
• 2002-present: Professor, Department of global public health and primary care, University of Bergen (50%).
• 1996-present: Co-founder and Sleep specialist, Bergen søvnsenter, a private Sleep Disorders Center.
• 2004-present: Director, Norwegian Competence Center for Sleep Disorders (SOVno) www.helse-bergen.no/sovno.
• 2010-present: Director, Centre of Sleep Medicine, Haukeland University Hospital.
• 2018-March2024: Leader, coordinator-team, Norwegian Primary Care Research Network (www.praksisnett.no)
• March2024-present: Project leader, Norwegian Primary Care Research Network (www.praksisnett.no)

Bjorvatn has more than 700 publications, and many of those are registered in PubMed. He has written four books about sleep and sleep disorders, and written multiple chapters in Norwegian and English textbooks. His H-index (May 2024) is 72. 

He has supervised 22 phd-candidates (8 as main supervisor), and is currently supervising 9 candidates (3 as main supervisor).

During last years given more than 50 interviews yearly about sleep, circadian rhythm, sleep disorders, and treatment options to Norwegian newspapers/magazines/radio stations. I consider it of great importance to increase public awareness about sleep and the consequences of sleep problems. The self-help book "Bedre søvn. En håndbok til deg som sover dårlig", published by Fagbokforlaget, has been shown to be effective in a randomized controlled trial (RCT) among patients with insomnia disorder. I have also published text books on "Sleep disorders", "Sleep in adolescence", and "Shiftwork and sleep".

During last three years presented more than 150 lectures about sleep, circadian rhythm, shift work and treatment of sleep disorders to medical doctors and other health personnel.

Abstract

• Djupedal, Ingebjørg Louise Rockwell; Harris, Anette ; Svensen, Erling et al. (2024). Effects of a work schedule with reduced quick returns on insomnia, sleepiness and work-related fatigue among healthcare workers: a large-scale cluster randomized controlled trial. (external link)
• Bjorvatn, Bjørn; Mrdalj, Jelena; Saxvig, Ingvild W. et al. (2016). Use of electronic media in bed and reading in bed after bedtime – Age and sex differences in a representative adult population.. (external link)
• Waage, Siri; Pallesen, Ståle; Moen, Bente Elisabeth et al. (2012). A comparison of sleep and health at the start and end of a 14-day work period among Norwegian oil rig workers. (external link)
• Flo, Elisabeth; Pallesen, Ståle; Magerøy, Nils et al. (2012). Work-related sleep problems vary according to work schedule. (external link)
• Wilhelmsen-Langeland, Ane; Dundas, Ingrid; Saxvig, Ingvild W. et al. (2012). Dilemmas associated with having delayed sleep phase disorder. (external link)
• Harris, Anette; Waage, Siri; Ursin, Holger et al. (2010). SHIFT WORK, CORTISOL, REACTION TIME TEST AND HEALTH AMONG OFFSHORE WORKERS. (external link)
• Brunborg, Geir Scott; Mentzoni, Rune; Molde, Helge et al. (2010). Associations between media use in the bedroom, sleep habits and symptoms of insomnia. (external link)
• Dørheim, Signe K; Bondevik, GT; Eberhard-Gran, Malin et al. (2008). Subjective and objective sleep among depressed and non-depressed postnatal mothers- a population based questionnaire study supplemented by sleep diary and actigraphy. (external link)
• Sivertsen, Børge; Omvik, Siri; Pallesen, Ståle et al. (2008). CBT versus pharmacological treatment of insomnia in older adults. (external link)
• Sivertsen, Børge; Omvik, Siri; Pallesen, Ståle et al. (2008). Treatment of chronic insomnia with cognitive behavioral therapy vs zopiclone. (external link)
• Bjorvatn, Bjørn (2008). Burden of disease in insomnia patients. (external link)
• Bjorvatn, Bjørn; Grønli, Janne; Pallesen, Ståle (2008). Prevalence of possible parasomnias in the general population. (external link)
• Øyane, Nicolas; Ursin, Reidun; Pallesen, Ståle et al. (2008). Increased health risk in subjects with high self-reported seasonality. (external link)
• Pallesen, Ståle; Wilhelmsen, Ane Bergland; Saxvig, Ingvild W. et al. (2008). Prevalence, predictors and consequences of behaviorally induced insufficient sleep syndrome in adolescence. (external link)
• Bjorvatn, Bjørn (2007). Søvn og søvnsykdommer. Gå i søvne. (external link)
• Grønli, Janne; Fiske, Eldbjørg; Murison, Robert et al. (2007). Extracellular levels of serotonin and GABA in the hippocampus after chronic mild stress in rats. A microdialysis study over the sleep/wake cycle in an animal model of depression. (external link)
• Omvik, Siri; Sivertsen, Børge; Pallesen, Ståle et al. (2007). Effects of cognitive behavioural treatment (CBT) and zopiclone on measures of quality of life in insomniacs. (external link)
• Sivertsen, Børge; Øverland, Simon; Neckelmann, Dag Olav Grini et al. (2007). The effect of insomnia and sleep duration on work disability. (external link)
• Waage, Siri; Pallesen, Ståle; Bjorvatn, Bjørn (2007). Shift Work Sleep Disorder among oil rig workers in the North Sea. (external link)
• Saxvig, Ingvild; Pallesen, Ståle; Sørensen, Eli et al. (2007). Sleep habits and correlates in a randomized sample of Norwegian high school students. (external link)
• Øyane, Nicolas; Ursin, Reidun; Pallesen, Ståle et al. (2007). High degree of seasonality is associated with more sleep problems and shorter sleep duration. (external link)
• Bjorvatn, Bjørn; Van den Hoven, A; Hoven, Anne Marie Kaldestad van den et al. (2006). Subjective symptomatology in patients with different sleep disorders. (external link)
• Forberg, Knut Fuglesteg; Bjorvatn, Bjørn (2006). The effects of workers age on self-reported adaptation to shift work and other sleep problems at an oil rig in the North Sea. (external link)
• Sørensen, Eli; Bjorvatn, Bjørn; Ursin, Reidun (2006). The nocturnal interplay between postpartum mothers and infants. (external link)
• Sivertsen, Børge; Omvik, Siri; Pallesen, Ståle et al. (2006). Cognitive-behavioural therapy is more effective than hypnotic treatment. a randomized controlled trial of elderly chronic primary insomniacs. (external link)
• Ursin, Reidun; Bjorvatn, Bjørn; Ursin, Holger (2006). Muscle pain and sleep. A population study. (external link)
• Forberg, Knut Fuglesteg; Bjorvatn, Bjørn; Waage, Siri (2006). Subjective and objective sleep during an extended shift work schedule. (external link)
• Øyane, Nicolas Melchior Frederic; Holsten, Fred; Ursin, Reidun et al. (2006). Seasonality, anxiety and depression. (external link)
• Waage, Siri; Dale, Sandra Marian; Erikstein, Ruth Skoe et al. (2006). Do age and shift work experience matter for sleep and health among nurses in a hospital setting?. (external link)
• Sagen, Ina Marie Lunde; Oyane, N; Øyane, Nicolas Melchior Frederic et al. (2006). Effects of sleep length and body mass index on metabolic measures. (external link)
• Fetveit, Arne; Bjorvatn, Bjørn (2006). Prolonged periods of sleep in nursing home patients are related to the severity of dementia. (external link)
• Sivertsen, Børge; Omvik, Siri; Havik, Odd E. et al. (2006). Cognitive-behavioral and hypnotic treatment of chronic primary insomnia among the elderly. A randomized controlled trial. (external link)
• Bjorvatn, Bjørn; Stangenes, Kristine Marie; Øyane, Nicolas Melchior Frederic et al. (2006). Effects of bright light and melatonin on adaptation to night work. A randomized placebo-controlled field study at an oil rig in the North Sea. (external link)
• Sivertsen, Børge; Overland, S; Øverland, Simon et al. (2006). Insomnia as risk-factor for permanent work disability. (external link)
• Bjorvatn, Bjørn; van den Hoven, AM; Hoven, Anne Marie Kaldestad van den et al. (2006). The subjective symptomatology in patients with different sleep disorders. (external link)
• Bjorvatn, Bjørn; Leissner, Lena; Ulfberg, Jan et al. (2005). Prevalence, severity and predictors of restless legs syndrome in Norway and Denmark. (external link)
• Grønli, Janne; Murison, Robert; Kanhema, Tambudzai et al. (2005). Chronic mild stress, an animal model of depression, affects the expression of BDNF and 5-HT levels over the sleep/wake cycle in hippocampus in rats. (external link)
• Øyane, Nicolas Melchior Frederic; Holsten, Fred; Ursin, Reidun et al. (2005). Sleep complaints more common among subjects with high seasonality. (external link)
• Bjorvatn, Bjørn; Nordhus, Inger Hilde; Pallesen, Ståle (2004). Sleepiness and it's correlates in a Norwegian population. (external link)
• Ursin, Reidun; Bjorvatn, Bjørn; Holsten, Fred (2004). Sleep characteristics of 40-45 year old short, medium and long sleepers in a Norwegian county. (external link)
• Øyane, Nicolas Melchior Frederic; Holsten, Fred; Ursin, Reidun et al. (2004). Seasonal variations in mood and behaviour associated with female gender, low annual income and education. (external link)

Poster

• Holmelid, Øystein; Pallesen, Ståle; Bjorvatn, Bjørn et al. (2024). Simulated Quick Returns in a Laboratory Context. Effects on Pre-Sleep Arousal, Sleep, Mood, and Cognitive Performance: A Crossover Controlled Trial . (external link)
• Hansen, Malika Elise; Mæland, Silje; Fadnes, Lars T. et al. (2023). Light exposure, sleep quality, and sleepiness as predictors of memory decline in older adults: A cohort study from Norway . (external link)
• Blytt, Kjersti Marie; Pallesen, Ståle; Waage, Siri et al. (2022). The effects of bright light treatment on sleepiness during three consecutive night shifts among hospital nurses with insomnia – secondary analyses: A counter-balanced placebo-controlled crossover study. (external link)
• Djupedal, Ingebjørg Louise Rockwell; Pallesen, Ståle; Harris, Anette Kristoffersen et al. (2022). Shift work, sleep and turnover intention during the COVID-19 pandemic. (external link)
• Hjetland, Gunnhild Johnsen; Kolberg, Eirin; Pallesen, Ståle et al. (2020). Ambient bright light treatment improved subjectively measured sleep but not sleep measured by actigraphy in nursing home patients with dementia: A placebo-controlled randomized trial. (external link)
• Blytt, Kjersti Marie; Bjorvatn, Bjørn; Moen, Bente Elisabeth et al. (2020). The association between shift work disorder and turnover intention among nurses. (external link)
• Blytt, Kjersti Marie; Flo, Elisabeth; Erdal, Ane et al. (2019). Pain, depression and their association with sleep in nursing home patients with advanced dementia . (external link)
• Sørengaard, Torhild Anita; Langvik, Eva ; Pallesen, Ståle et al. (2018). Personality and Insomnia as Predictors of Anxiety and Depression among Norwegian Nurses: The SUSSH Study. (external link)
• Wensaas, Knut-Arne; Litleskare, Sverre; Rørtveit, Guri et al. (2018). Irritable bowel syndrome, chronic fatigue and pain in a Norwegian primary care population. (external link)
• Mrdalj, Jelena; Sunde, Erlend; Pedersen, Torhild et al. (2018). Effects of bright light on sleepiness and cognitive performance during simulated night shift work.. (external link)
• Brevik, Erlend Joramo; Lundervold, Astri; Halmøy, Anne et al. (2016). Insomnia in adult ADHD patients. Role of clinical subtypes and stimulant treatment. (external link)
• Brevik, Erlend Joramo; Lundervold, Astri; Halmøy, Anne et al. (2016). Insomni hos voksne pasienter med ADHD – betydningen av symptomdomener og farmakologisk behandling. (external link)
• Bjorvatn, Bjørn; Mrdalj, Jelena; Saxvig, Ingvild W. et al. (2016). Use of electronic media in bed and reading in bed after bedtime – Age and sex differences in a representative adult population.. (external link)
• Blytt, Kjersti Marie; Bjorvatn, Bjørn; Husebø, Bettina et al. (2016). "Sleep in Nursing Home Patients: A Cross-sectional Study Using Actigraphic and Informant-observed Assessments of Sleep Disturbances" . (external link)
• Amofah, Hege Andersen; Broström, Anders; Fridlund, Bengt Gotthard Anton et al. (2016). Gender differences regarding in-hospital sleep-wake pattern in octogenarians during the early postoperative phase after aortic valve therapy.. (external link)
• Slåtten, Kari; Gay, Carol L.; Elisabeth Anna, Saghaug et al. (2015). Beskrivelse av søvn hos etterlatte pårørende til pasienter med kreft. En ett-årig longitudinell pilotstudie.. (external link)
• Slåtten, Kari; Gay, Carol L.; Saghaug, Elisabeth et al. (2015). Sleep among Bereaved Caregivers of Patients Admitted to Hospice: A 1-Year Longitudinal Pilot Study . (external link)
• Bjorvatn, Bjørn; Meland, Eivind; Flo, Elisabeth et al. (2015). High prevalence of DSM-5/ICSD-3 insomnia, self-reported sleep problems, and hypnotic use in patients visiting their general practitioner.. (external link)
• Reknes, Iselin; Notelaers, Guy; Pallesen, Ståle et al. (2015). Bullying from colleagues and aggression from patients – are there two sides to the story?. (external link)
• Amofah, Hege Andersen; Broström, Anders; Fridlund, Bengt Gotthard Anton et al. (2015). Sleep and wake pattern in octogenarians after surgical or transcatheter aortic valve replacement.. (external link)
• Flo, Elisabeth; Pallesen, Ståle; Bjorvatn, Bjørn (2014). Insomnia and non-restorative sleep. (external link)
• Amofah, Hege Andersen; Broström, Anders; Fridlund, Bengt Gotthard Anton et al. (2014). Self-reported sleep and insomnia, and sleep and wake pattern, in octogenarians after surgical or transcatheter aortic valve replacement.. (external link)
• Reknes, Iselin; Pallesen, Ståle; Magerøy, Nils et al. (2013). Workplace bullying as a predictor of mental health problems in nurses. (external link)
• Grønli, Janne; Murison, Robert; Milde, Anne Marita et al. (2011). Animal model of early and later life stress alters body temperature rhythm and induces depression-like symptoms. (external link)
• Flo, Elisabeth; Notelaers, Guy; Bjorvatn, Bjørn et al. (2010). Shift work disorder and its relation to reduced Health-related quality of life. (external link)
• Mrdalj, Jelena; Murison, Robert; Milde, Anne Marita et al. (2010). Chronic mild stress alters body temperature rhythm and induces depression-like symptoms in rats postnatally exposed to long maternal separation. (external link)
• Mrdalj, Jelena; Murison, Robert; Milde, Anne Marita et al. (2010). Altered Body Temperature Rhythm and Depression-like Symptoms following Early and Later Life Stress in Rats. (external link)
• Kinn, Anne Marie ; Bjorvatn, Bjørn; Mrdalj, Jelena et al. (2010). A study of long-term effects on body temperature rhythm after two exposures to social defeat in rats. (external link)
• Mrdalj, Jelena; Murison, Robert; Milde, Anne Marita et al. (2010). Chronic mild stress alters body temperature rhythm and induces depression-like symptoms in rats postnatally exposed to long maternal separations. (external link)
• Bjorvatn, Bjørn; Grønli, Janne; Pallesen, Ståle (2009). Parasomnias in the general population. (external link)
• Dørheim, Signe K; Bondevik, Gunnar Tschudi; Eberhard-Gran, Malin et al. (2008). Risk factors for poor sleep and depression among postnatal women, a population based questionnaire study supplemented by sleep diary and actigraphy. (external link)
• Omvik, Siri; Sivertsen, Børge; Pallesen, Ståle et al. (2007). Quality of life in insomnia. Treatment outcome of a randomized controlled trial comparing CBT and Zopiclone. (external link)
• Omvik, Siri; Sivertsen, Børge; Pallesen, Ståle et al. (2005). Predictors of outcome in cognitive and hypnotic treatment of insomnia in the elderly. (external link)
• Nicholas, M.F.; Øyane, Nicolas Melchior Frederic; Holsten, Fred et al. (2005). Sleep complaints more common among subjects with high seasonality. (external link)
• Omvik, Siri; Pallesen, Ståle; Nordhus, Inger Hilde et al. (2004). Reaction to sleeplessness and the impact of trait worry: an experimental study. (external link)
• Waage, Siri; Bjorvatn, Bjørn; Odeen, Magnus et al. (2004). Health effects of 21 days shift periods and long work hours in an isolated and extreme environment. (external link)
• Sivertsen, Børge; Omvik, Siri; Pallesen, Ståle et al. (2004). Sleep disorders among elderly with chronic use of hypnotics. (external link)
• Sivertsen, Børge; Omvik, Siri; Pallesen, Ståle et al. (2004). The prevalence of sleep disorders among elderly chronic hypnotic users. (external link)
• Grønli, Janne; Murison, Robert; Bjorvatn, Bjørn et al. (2003). Chronic Mild Stress in Rats Increase REM sleep and Sleep fragmentation and decrease Sucrose Intake. (external link)
• Ursin, Reidun; Bjorvatn, Bjørn; Holsten, Fred (2002). Sleep characteristics in 40-45 year olds in Hordaland county, Norway. (external link)
• Grønli, Janne; Murison, Robert; Bjorvatn, Bjørn et al. (2002). Sleep/wake effect after chronic mild stress in rats. (external link)
• Grønli, Janne; Murison, Robert; Bjorvatn, Bjørn et al. (2001). Sleep/wake effect after chronic mild stress in rats. (external link)
• Holsten, Fred; Bjorvatn, Bjørn; Ursin, Reidun (2001). Seasonality as measured by the global seasonality score in 40-45 year old men and women in a Norwegian county. (external link)
• Bjorvatn, Bjørn; Grønli, Janne; Hamre, Frøydis et al. (2001). Effects of sleep deprivation on extracellular serotonin in the hippocampus and frontal cortex of the rat. (external link)
• Ursin, Reidun; Bjorvatn, Bjørn; Holsten, Fred (2001). Sleep and sleep problems in 40-45 year olds in a Norwegian county. (external link)
• Holsten, Fred; Bjorvatn, Bjørn; Ursin, Reidun (2001). Seasonality as measured by the global seasonality score in 40-45 year old men and women in a Norwegian county. (external link)
• Ursin, Reidun; Bjorvatn, Bjørn; Holsten, Fred (2001). Sleep and sleep problems in 40-45 year olds in a Norwegian county. (external link)
• Skjerve, Arvid; Holsten, Fred; Aarsland, Dag et al. (2000). Bright light treatment for sleep and behavioural disturbances in severe dementia. (external link)
• Ursin, Reidun; Grønli, Janne; Sørensen, Eli et al. (2000). A single dose of the adenosine A1 antagonist 8-cyclopentyl-theofylline (CPT) increases hippocampal serotonin during waking in rats as measured by microdialysis. (external link)
• Sørensen, Eli; Bjorvatn, Bjørn; Bjørkum, Alvhild Alette et al. (2000). Sleep and waking following perfusion of a selective 5-HT-1a antagonist in the dorsal raphe nucleus in rats. (external link)
• Sørensen, Eli; Grønli, Janne; Bjorvatn, Bjørn et al. (1999). The effect of a selective 5-HT-1A antagonist on waking levels of serotonin in hippocampus in rats. (external link)
• Mundal, V; Bjorvatn, Bjørn (1997). Sleep and waking following microdialysis perfusion of a 5-HT antagonist into the dorsal raphe nucleus in rats. (external link)
• Portas, CM; Bjorvatn, Bjørn; Fagerland, S et al. (1997). Extracellular 5-HT levels in DRN over the sleep/wake cycle: A microdialysis study in the freely moving rat. (external link)

Academic article

• Bjorvatn, Bjørn; Waage, Siri; Emberland, Knut Erik et al. (2024). The associations between different types of infections and circadian preference and shift work. (external link)
• Holmelid, Øystein; Pallesen, Ståle; Bjorvatn, Bjørn et al. (2024). Simulated quick returns in a laboratory context and effects on sleep and pre-sleep arousal between shifts: a crossover controlled trial. (external link)
• Djupedal, Ingebjørg Louise Rockwell; Harris, Anette ; Svensen, Erling et al. (2024). Effects of a work schedule with abated quick returns on insomnia, sleepiness and work-related fatigue: results from a large-scale cluster randomized controlled trial . (external link)
• Korman, Maria; Zarina, Daria; Tkachev, Vadim et al. (2024). Estimation bias and agreement limits between two common self-report methods of habitual sleep duration in epidemiological surveys. (external link)
• Bolstad, Courtney J.; Holzinger, Brigitte; Scarpelli, Serena et al. (2024). Nightmare frequency is a risk factor for suicidal ideation during the COVID-19 pandemic. (external link)
• Skjærstein, Synne; Åsaune, Kaja Michelsen; Fadnes, Lars T. et al. (2024). Kostholdsveiledning hos fastlegen – hva rapporterer pasientene?. (external link)
• Xue, Pei; Merikanto, Ilona; Delale, Eva A. et al. (2024). Associations between obesity, a composite risk score for probable long COVID, and sleep problems in SARS-CoV-2 vaccinated individuals. (external link)
• Holmelid, Øystein; Harris, Anette ; Pallesen, Ståle et al. (2024). Acute effects of a simulated quick return on subjective sleepiness, mood, and cognitive performance: A laboratory crossover controlled trial. (external link)
• Hiestand, Stand Fenimore; Waage, Siri; Forthun, Ingeborg et al. (2024). Factors leading to excessive fatigue in nurses – a three-year follow-up study. (external link)
• Partinen, Eemil; Inoue, Yuichi; Sieminski, Mariusz et al. (2024). Restless legs symptoms increased during COVID-19 pandemic. International ICOSS-survey. (external link)
• Marthinsen, Gunhild Nordbø; Helseth, Sølvi; Småstuen, Milada Cvancarova et al. (2024). A comparison of sleep, insomnia and health‑related quality of life between mothers and fathers of preterm versus full‑born infants: a longitudinal study from Norway. (external link)
• Kristoffersen, Espen Saxhaug; Pallesen, Ståle; Waage, Siri et al. (2024). The long-term effect of work schedule, shift work disorder, insomnia and restless legs syndrome on headache among nurses: A prospective longitudinal cohort study. (external link)
• Berezin, Linor; Waseem, Rida; Merikanto, Ilona et al. (2024). Habitual short sleepers with pre-existing medical conditions are at higher risk of Long COVID. (external link)
• Kristoffersen, Espen Saxhaug; Waage, Siri; Pallesen, Staale et al. (2024). Changes in work schedule affect headache frequency among Norwegian nurses: A 3-year-follow-up study. (external link)
• Hiestand, Stand Fenimore; Forthun, Ingeborg; Waage, Siri et al. (2023). Associations between excessive fatigue and pain, sleep, mental-health and work factors in Norwegian nurses. (external link)
• Evanger, Linn Nyjordet; Bjorvatn, Bjørn; Pallesen, Ståle et al. (2023). Later school start time is associated with longer school day sleep duration and less social jetlag among Norwegian high school students: Results from a large-scale, cross-sectional study. (external link)
• Xue, Pei; Merikanto, Ilona; Chung, Frances et al. (2023). Persistent short nighttime sleep duration is associated with a greater post-COVID risk in fully mRNA-vaccinated individuals. (external link)
• Forthun, Ingeborg; Eliassen, Knut Eirik Ringheim; Emberland, Knut Erik et al. (2023). The association between self-reported sleep problems, infection, and antibiotic use in patients in general practice. (external link)
• Saxvig, Ingvild W.; Bjorvatn, Bjørn; Waage, Siri (2023). Habitual Sleep Patterns and Chronic Sleep Problems in Relation to Sex, Age, and Circadian Preference in a Population-Based Sample of Norwegian Adults. (external link)
• Bjorvatn, Bjørn; Rørtveit, Guri; Rebnord, Ingrid Keilegavlen et al. (2023). Self-reported short and long sleep duration, sleep debt and insomnia are associated with several types of infections: Results from the Norwegian practice-based research network in general practice – PraksisNett. (external link)
• Forthun, Ingeborg; Rørtveit, Guri; Fossum, Guro Haugen et al. (2023). Søvnforstyrrelser og forskrivning av hypnotika i allmennpraksis – en PraksisNett-studie. (external link)
• Sarkanen, Tomi; Partinen, Markku; Bjorvatn, Bjørn et al. (2023). Association between hypersomnolence and the COVID-19 pandemic: The International COVID-19 Sleep Study (ICOSS). (external link)
• Bjorvatn, Bjørn; Waage, Siri; Pallesen, Ståle et al. (2023). The association between different sleep health dimensions and sex, age, education, circadian preference, and chronic insomnia: a representative population-based study. (external link)
• Aakre, Jon Arild; Schulz, Jörn; Ballard, Clive et al. (2023). Self-reported sleep fragmentation and sleep duration and their association with cognitive function in PROTECT, a large digital community-based cohort of people over 50. (external link)
• Chen, Si-Jing; Morin, Charles M.; Ivers, Hans et al. (2023). The association of insomnia with long COVID: An international collaborative study (ICOSS-II). (external link)
• Matsui, Kentaro; Chung, Frances; Bjelajac, Adrijana Koscec et al. (2023). Associations between changes in habitual sleep duration and lower self-rated health among COVID-19 survivors: findings from a survey across 16 countries/regions. (external link)
• Blytt, Kjersti Marie; Bjorvatn, Bjørn; Moen, Bente Elisabeth et al. (2022). The association between shift work disorder and turnover intention among nurses. (external link)
• Torsvik, Sunniva; Bjorvatn, Bjørn; Eliassen, Knut Eirik Ringheim et al. (2022). Prevalence of insomnia and hypnotic use in Norwegian patients visiting their general practitioner. (external link)
• Jonassen, Trygve Müller; Bjorvatn, Bjørn; Saxvig, Ingvild W. et al. (2022). Clinical information predicting severe obstructive sleep apnea: A cross-sectional study of patients waiting for sleep diagnostics. (external link)
• Ernstsen, Linda; Zotcheva, Ekaterina; Sui, Xuemei et al. (2022). Association Between Cardiorespiratory Fitness and Incident Purchase of Hypnotic Drugs in Adults: The HUNT Study. (external link)
• Merikanto, Ilona; Dauvilliers, Yves; Chung, Frances et al. (2022). Sleep symptoms are essential features of long-COVID – Comparing healthy controls with COVID-19 cases of different severity in the international COVID sleep study (ICOSS-II). (external link)
• Marthinsen, Gunhild Nordbø; Helseth, Sølvi; Småstuen, Milada Cvancarova et al. (2022). Sleep patterns and psychosocial health of parents of preterm and full-born infants: a prospective, comparative, longitudinal feasibility study. (external link)
• Djupedal, Ingebjørg Louise Rockwell; Pallesen, Ståle; Harris, Anette Kristoffersen et al. (2022). Changes in the Work Schedule of Nurses Related to the COVID-19 Pandemic and Its Relationship with Sleep and Turnover Intention. (external link)
• Dyrberg, Henny; Bjorvatn, Bjørn; Larsen, Erik Roj (2022). Cognitive behavioral therapy for chronic insomnia in outpatients with major depression—A randomised controlled trial. (external link)
• Holzinger, Brigitte; Nierwetberg, Franziska; Chung, Frances et al. (2022). Has the COVID-19 Pandemic Traumatized Us Collectively? The Impact of the COVID-19 Pandemic on Mental Health and Sleep Factors via Traumatization: A Multinational Survey. (external link)
• Scarpelli, Serena; De Santis, Alessandra; Alfonsi, Valentina et al. (2022). The role of sleep and dreams in long-COVID. (external link)
• Kristoffersen, Espen Saxhaug; Bjorvatn, Bjørn; Halvorsen, Peder Andreas et al. (2022). The Norwegian PraksisNett: a nationwide practice-based research network with a novel IT infrastructure. (external link)
• Bjorvatn, Bjørn; Waage, Siri; Saxvig, Ingvild W. (2022). Do people use methods or tricks to fall asleep? A comparison between people with and without chronic insomnia. (external link)
• Bjorvatn, Bjørn; Merikanto, Ilona; Reis, Catia et al. (2022). Shift workers are at increased risk of severe COVID-19 compared with day workers: Results from the international COVID sleep study (ICOSS) of 7141 workers. (external link)
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• Hjetland, Gunnhild Johnsen; Kolberg, Eirin; Pallesen, Ståle et al. (2021). Ambient bright light treatment improved proxy-rated sleep but not sleep measured by actigraphy in nursing home patients with dementia: a placebo-controlled randomised trial. (external link)
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• Steine, Iris Mulders; Bjorvatn, Bjørn; Winje, Dagfinn et al. (2020). Faktorer som henger sammen med økt risiko for arbeidsuførhet blant personer utsatt for seksuelle overgrep i barndommen. (external link)
• Steine, Iris Mulders; Bjorvatn, Bjørn; Winje, Dagfinn et al. (2020). Seksuelle overgrep i barndommen og arbeids­uførhet i voksen alder – Funn fra et norsk befolkningsutvalg. (external link)
• Bjorvatn, Bjørn; Saxvig, Ingvild W.; Waage, Siri et al. (2020). Self-reported seasonality is strongly associated with chronotype and weakly associated with latitude. (external link)
• Sunde, Erlend; Pedersen, Torhild; Mrdalj, Jelena et al. (2020). Alerting and Circadian Effects of Short-Wavelength vs. Long-Wavelength Narrow-Bandwidth Light during a Simulated Night Shift. (external link)
• Steine, Iris Mulders; Nielsen, Brittany; Porter, Patricia A. et al. (2020). Predictors and correlates of lifetime and persistent non-suicidal self-injury and suicide attempts among adult survivors of childhood sexual abuse. (external link)
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• Sunde, Erlend; Mrdalj, Jelena; Pedersen, Torhild et al. (2020). Role of nocturnal light intensity on adaptation to three consecutive night shifts: a counterbalanced crossover study. (external link)
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• Tveit, Ragnhild L.; Lehmann, Sverre; Bjorvatn, Bjørn (2018). Prevalence of several somatic diseases depends on the presence and severity of obstructive sleep apnea. (external link)
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• Mildestvedt, Thomas; Herikstad, Vibeke Valen; Undheim, Ida et al. (2018). Factors associated with self-rated health in primary care. (external link)
• Bjorvatn, Bjørn; Rajakulendren, Narvini; Lehmann, Sverre et al. (2018). Increased severity of obstructive sleep apnea is associated with less anxiety and depression. (external link)
• Bjorvatn, Bjørn; Berge, Thomas; Lehmann, Sverre et al. (2018). No effect of a self-help book for insomnia in patients with obstructive sleep apnea and comorbid chronic insomnia – a randomized controlled trial.. (external link)
• Vedaa, Øystein; Pallesen, Ståle; Erevik, Eilin K. et al. (2018). Long working hours are inversely related to sick leave in the following 3 months: a 4-year registry study. (external link)
• Bjorvatn, Bjørn; Pallesen, Ståle; Moen, Bente Elisabeth et al. (2018). Migraine, tension-type headache and medication-overuse headache in a large population of shift working nurses: a cross-sectional study in Norway. (external link)
• Waage, Siri; Pallesen, Ståle; Moen, Bente Elisabeth et al. (2018). Restless legs syndrome/Willis-Ekbom disease is prevalent in working nurses, but seems not to be associated with shift work schedules. (external link)
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• Solheim, Brandy; Olsen, Alexander; Kallestad, Håvard et al. (2018). Cognitive performance in DSWPD patients upon awakening from habitual sleep compared with forced conventional sleep. (external link)
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• Bjorvatn, Bjørn; Mrdalj, Jelena; Saxvig, Ingvild W. et al. (2017). Age and sex differences in bedroom habits and bedroom preferences. (external link)
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• Stangenes, Kristine Marie; Fevang, Silje Katrine Elgen; Grundt, Jacob Holter et al. (2017). Children born extremely preterm had different sleeping habits at 11 years of age and more childhood sleep problems than term-born children. (external link)
• Reknes, Iselin; Notelaers, Guy; Magerøy, Nils et al. (2017). Aggression from Patients or Next of Kin and Exposure to Bullying Behaviors: A Conglomerate Experience?. (external link)
• Steine, Iris Mulders; Winje, Dagfinn; Skogen, Jens Christoffer et al. (2017). Posttraumatic symptom profiles among adult survivors of childhood sexual abuse: A longitudinal study. (external link)
• Nødtvedt, Øystein Ottesen; Hansen, Anita Lill; Bjorvatn, Bjørn et al. (2017). The effects of kiwi fruit consumption in students with chronic insomnia symptoms: a randomized controlled trial. (external link)
• Brevik, Erlend Joramo; Lundervold, Astri; Halmøy, Anne et al. (2017). Prevalence and clinical correlates of insomnia in adults with attention-deficit hyperactivity disorder. (external link)
• Storesund, Anders Kjellevold; Johansson, Anders; Bjorvatn, Bjørn et al. (2017). Oral appliance treatment outcome can be predicted by continuous positive airway pressure in moderate to severe obstructive sleep apnea. (external link)
• Blytt, Kjersti Marie; Bjorvatn, Bjørn; Husebø, Bettina et al. (2017). Clinically significant discrepancies between sleep problems assessed by standard clinical tools and actigraphy. (external link)
• Bjorvatn, Bjørn; Brevik, Erlend Joramo; Lundervold, Astri et al. (2017). Adults with attention deficit hyperactivity disorder report high symptom levels of troubled sleep, restless legs, and cataplexy. (external link)
• Andreassen, Cecilie Schou; Bakker, Arnold B.; Bjorvatn, Bjørn et al. (2017). Working conditions and individual differences are weakly associated with workaholism: A 2-3-year prospective study of shift-working nurses. (external link)
• Vedaa, Øystein; Morland, Eirik; Larsen, Marit Hjellset et al. (2017). Sleep detriments associated with quick returns in rotating shift work: a diary study. (external link)
• Steine, Iris Mulders; Winje, Dagfinn; Krystal, John H. et al. (2017). Cumulative childhood maltreatment and its dose-response relation with adult symptomatology: Findings in a sample of adult survivors of sexual abuse. (external link)
• Bjorvatn, Bjørn; Meland, Eivind; Flo, Elisabeth et al. (2017). High prevalence of insomnia and hypnotic use in patients visiting their general practitioner. (external link)
• Hagatun, Susanne; Vedaa, Øystein; Nordgreen, Tine et al. (2017). The short-term efficacy of an unguided internet-based cognitive-behavioral therapy for insomnia: A randomized controlled trial with a six-month nonrandomized follow-up. (external link)
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• Pallesen, Ståle; Gundersen, Hilde; Kristoffersen, Morten et al. (2017). The effects of sleep deprivation on soccer skills. (external link)
• Dørheim, Signe Karen; Niegel, Susan; Bjorvatn, Bjørn et al. (2016). Personality and Perinatal Maternal Insomnia: A Study Across Childbirth. (external link)
• Lerdal, Anners; Slåtten, Kari; Saghaug, Elisabeth et al. (2016). Sleep among bereaved caregivers of patients admitted to hospice: a 1-year longitudinal pilot study. (external link)
• Blågestad, Tone Fidje; Nordhus, Inger Hilde; Grønli, Janne et al. (2016). Prescription trajectories and effect of total hip arthroplasty on the use of analgesics, hypnotics, antidepressants, and anxiolytics: Results from a population of total hip arthroplasty patients. (external link)
• Jonassen, Trygve Muller; Eagan, Tomas Mikal; Bjorvatn, Bjørn et al. (2016). Associations between obstructive lung disease and symptoms of obstructive sleep apnoea in a general population. (external link)
• Reknes, Iselin; Einarsen, Ståle; Pallesen, Ståle et al. (2016). Exposure to bullying behaviors at work and subsequent symptoms of anxiety: The moderating role of individual coping style. (external link)
• Steine, Iris Mulders; Winje, Dagfinn; Nordhus, Inger Hilde et al. (2016). Langvarig taushet om seksuelle overgrep : prediktorer og korrelater hos voksne som opplevde seksuelle overgrep som barn. (external link)
• Saksvik-Lehouillier, Ingvild; Bjorvatn, Bjørn; Magerøy, Nils et al. (2016). Hardiness, psychosocial factors and shift work tolerance among nurses – a 2-year follow-up study. (external link)
• Pallesen, Ståle; Larsen, Svein; Bjorvatn, Bjørn (2016). “I Wish I'd Slept Better in That Hotel” – Guests’ Self-reported Sleep Patterns in Hotels. (external link)
• Pallesen, Ståle; Nordhus, Inger Hilde; Bjorvatn, Bjørn et al. (2016). Søvnrelatert rettsmedisin – straffbare handlinger begått i søvne. (external link)
• Andreassen, Cecilie Schou; Bjorvatn, Bjørn; Moen, Bente Elisabeth et al. (2016). A longitudinal study of the relationship between the five-factor model of personality and workaholism. (external link)
• Grønli, Janne; Byrkjedal, Ida Kristiansen; Bjorvatn, Bjørn et al. (2016). Reading from an iPad or from a book in bed: the impact on human sleep. A randomized controlled crossover trial. (external link)
• Thun, Eirunn; Le Hellard, Stephanie; Osland, Teresa Maria et al. (2016). Circadian clock gene variants and insomnia, sleepiness, and shift work disorder. (external link)
• Pallesen, Ståle; Nødtvedt, Øystein Ottesen; Saxvig, Ingvild W. et al. (2016). A new light source (Valkee©) does not alter sleep-wake parameters and does not improve mood in phase delayed subjects. (external link)
• Hunskår, Gunnhild Sellevoll; Bjorvatn, Bjørn; Wensaas, Knut-Arne et al. (2016). Excessive daytime sleepiness, sleep need and insomnia 3 years after Giardia infection: A cohort study. (external link)
• Vedaa, Øystein; Krossbakken, Elfrid; Grimsrud, Ingse Dagny et al. (2016). Prospective study of predictors and consequences of insomnia: Personality, lifestyle, mental health, and work-related stressors. (external link)
• Vedaa, Øystein; Pallesen, Ståle; Waage, Siri et al. (2016). Short rest between shift intervals increases the risk of sick leave: a prospective registry study. (external link)
• Amofah, Hege Andersen; Brostrøm, Anders; Fridlund, Bengt Gotthard Anton et al. (2016). Sleep in octogenarians during the postoperative phase after transcatheter or surgical aortic valve replacement. (external link)
• Saksvik-Lehouillier, Ingvild ; Pallesen, Ståle; Bjorvatn, Bjørn et al. (2015). Towards a more comprehensive defnition of shift work tolerance. (external link)
• Bjorvatn, Bjørn; Lehmann, Sverre; Gulati, Shashi et al. (2015). Prevalence of excessive sleepiness is higher whereas insomnia is lower with greater severity of obstructive sleep apnea. (external link)
• Bercea, Raluca Mihaela; Mihaescu, Traian; Cojocaru, Cristian et al. (2015). Fatigue and serum testosterone in obstructive sleep apnea patients. (external link)
• Roelen, Corné A.M.; Heymans, Martijn W.; Twisk, Jos W.R. et al. (2015). Health measures in prediction models for high sickness absence: Single-item self-rated health versus multi-item SF-12. (external link)
• Moen, Bente Elisabeth; Baste, Valborg; Morken, Tone et al. (2015). Menstrual characteristics and night work among nurses. (external link)
• Harris, Anette; Gundersen, Hilde; Mørk-Andreassen, Pia et al. (2015). Restricted use of electronic media, sleep, performance, and mood in high school athletes - a randomized trial. (external link)
• Roelen, Corné A.M.; Heymans, Martijn W.; Thun, Eirunn et al. (2015). Predictive value of the SF-12 for sickness absence because of mental, musculoskeletal, and other somatic disorders. (external link)
• Buchvold, Hogne Vikanes; Pallesen, Ståle; Øyane, Nicolas Melchior Frederic et al. (2015). Associations between night work and BMI, alcohol, smoking, caffeine and exercise - A cross-sectional study Occupational health. (external link)
• Bjorvatn, Bjørn; Magerøy, Nils; Moen, Bente Elisabeth et al. (2015). Parasomnias are more frequent in shift workers than in day workers. (external link)
• Berthelsen, Mona; Pallesen, Ståle; Bjorvatn, Bjørn et al. (2015). Shift schedules, work factors, and mental health among onshore and offshore workers in the Norwegian petroleum industry. (external link)
• Berthelsen, Mona; Pallesen, Ståle; Magerøy, Nils et al. (2015). Effects of psychological and social factors in shiftwork on symptoms of anxiety and depression in nurses: A 1-year follow-up. (external link)
• Kunst, Jonas R.; Løset, Gøril Kvamme; Hosøy, Daniel et al. (2014). The relationship between shift work schedules and spillover in a sample of nurses. (external link)
• Lallukka, Tea; Øverland, Simon Nygaard; Haaramo, P et al. (2014). The joint contribution of pain and insomnia to sickness absence and disability retirement: a register-linkage study among Norwegian and Finnish employees. (external link)
• Reknes, Iselin; Pallesen, Ståle; Magerøy, Nils et al. (2014). Exposure to bullying behaviors as a predictor of mental health problems among Norwegian nurses: Results from the prospective SUSSH-survey. (external link)
• Bjorvatn, Bjørn; Pallesen, Ståle; Grønli, Janne et al. (2014). Prevalence and correlates of insomnia and excessive sleepiness in adults with obstructive sleep apnea symptoms. (external link)
• Pallesen, Ståle; Sivertsen, Børge; Nordhus, Inger Hilde et al. (2014). A 10-year trend of insomnia prevalence in the adult Norwegian population. (external link)
• Roelen, Corné A.M.; van Rhenen, Willem; Schaufeli, Wilmar B. et al. (2014). Mental and physical health-related functioning mediates between psychological job demands and sickness absence among nurses. (external link)
• Saxvig, Ingvild W.; Wilhelmsen-Langeland, Ane; Pallesen, Ståle et al. (2014). A randomized controlled trial with bright light and melatonin for delayed sleep phase disorder: Effects on subjective and objective sleep. (external link)
• Mrdalj, Jelena; Mattson, Åse Lundegaard; Murison, Robert et al. (2014). Hypothermia after chronic mild stress exposure in rats with a history of postnatal maternal separations. (external link)
• Fossum, Ingrid Nesdal; Nordnes, Linn Tinnesand; Storemark, Sunniva Straume et al. (2014). The association between use of electronic media in bed before going to sleep and insomnia symptoms, daytime sleepiness, morningness, and chronotype. (external link)
• Roelen, Corné A.M.; Heymans, Martijn W.; Twisk, Jos W.R. et al. (2014). Updating and prospective validation of a prognostic model for high sickness absence. (external link)
• Sivertsen, Børge; Pallesen, Ståle; Glozier, Nick et al. (2014). Midlife insomnia and subsequent mortality. The Hordaland Health Study. (external link)
• Solheim, Brandy; Langsrud, Knut; Kallestad, Håvard et al. (2014). Difficult morning awakening from rapid eye movement sleep and impaired cognitive function in delayed sleep phase disorder patients. (external link)
• Lien, Torbjørn Flataker; Pallesen, Ståle; Bjorvatn, Bjørn et al. (2014). Skiftarbeid og sykefravær blant sykepleiere. (external link)
• Flo, Elisabeth; Pallesen, Ståle; Moen, Bente Elisabeth et al. (2014). Short rest periods between work shifts predict sleep and health problems in nurses at 1-year follow-up. (external link)
• Dørheim, Signe Karen; Bjorvatn, Bjørn; Eberhard-Gran, Malin (2014). Can insomnia in pregnancy predict postpartum depression? A longitudinal, population-based study. (external link)
• Reknes, Iselin; Bjorvatn, Bjørn; Einarsen, Ståle et al. (2014). Nye funn om turnusarbeid. (external link)
• Waage, Siri; Pallesen, Ståle; Moen, Bente Elisabeth et al. (2014). Predictors of shift work disorder among nurses: a longitudinal study. (external link)
• Thun, Eirunn; Bjorvatn, Bjørn; Torsheim, Torbjørn et al. (2014). Night work and symptoms of anxiety and depression among nurses: A longitudinal study. (external link)
• Moen, Bente E; Waage, Siri; Ronda, Elena et al. (2014). Spontaneous abortions and shift work in a cohort of nurses in Norway. (external link)
• Sivertsen, Børge; Björnsdóttir, Erla; Øverland, Simon Nygaard et al. (2013). The joint contribution of insomnia and obstructive sleep apnea on sickness absence. (external link)
• Dørheim, Signe Karen; Bjorvatn, Bjørn; Eberhard-Gran, Malin M C (2013). Sick leave during pregnancy: a longitudinal study of rates and risk factors in a Norwegian population. (external link)
• Hynninen, Kia Minna; Pallesen, Ståle; Hardie, Jon Andrew et al. (2013). Insomnia symptoms, objectively measured sleep, and disease severity in chronic obstructive pulmonary disease outpatients. (external link)
• Roelen, Corné A.M.; Bültmann, Ute; Groothoff, Johan et al. (2013). Physical and mental fatigue as predictors of sickness absence among Norwegian nurses. (external link)
• Øyane, Nicolas Melchior Frederic; Pallesen, Ståle; Moen, Bente Elisabeth et al. (2013). Associations between night work and anxiety, depression, insomnia, sleepiness and fatigue in a sample of Norwegian nurses. (external link)
• Wilhelmsen-Langeland, Ane; Saxvig, Ingvild W.; Pallesen, Ståle et al. (2013). A randomized controlled trial with bright light and melatonin for the treatment of delayed sleep phase disorder: effects on subjective and objective sleepiness and cognitive function. (external link)
• Storemark, Sunniva Straume; Fossum, Ingrid Nesdal; Bjorvatn, Bjørn et al. (2013). Personality factors predict sleep-related shift work tolerance in different shifts at 2-year follow-up: a prospective study. (external link)
• Wilhelmsen-Langeland, Ane; Saxvig, Ingvild W.; Pallesen, Ståle et al. (2013). The Personality Profile of Young Adults With Delayed Sleep Phase Disorder. (external link)
• Eldevik, Maria Fagerbakke; Flo, Elisabeth; Moen, Bente Elisabeth et al. (2013). Insomnia, excessive sleepiness, excessive fatigue, anxiety, depression and shift work disorder in nurses having less than 11 hours in-between shifts. (external link)
• Mrdalj, Jelena; Pallesen, Ståle; Milde, Anne Marita et al. (2013). Early and later life stress alter brain activity and sleep in rats. (external link)
• Waage, Siri; Pallesen, Ståle; Moen, Bente Elisabeth et al. (2013). Sleep and Health in Oil Rig Workers-Before and After a Two Week Work Period Offshore. (external link)
• Roelen, Corné A. M.; Magerøy, Nils; van Rhenen, W et al. (2013). Low job satisfaction does not identify nurses at risk of future sickness absence: Results from a Norwegian cohort study. (external link)
• Saksvik-Lehouillier, Ingvild ; Bjorvatn, Bjørn; Hetland, Hilde et al. (2013). Individual, situational and lifestyle factors related to shift work tolerance among nurses who are new to and experienced in night work. (external link)
• Di Milia, Lee; Waage, Siri; Pallesen, Ståle et al. (2013). Shift work disorder in a random population sample : prevalence and comorbidities. (external link)
• Vedaa, Øystein; Bjorvatn, Bjørn; Magerøy, Nils et al. (2013). Longitudinal predictors of changes in the morningness-eveningness personality among Norwegian nurses. (external link)
• Flo, Elisabeth; Pallesen, Ståle; Åkerstedt, Torbjørn et al. (2013). Shift-related sleep problems vary according to work schedule. (external link)
• Saxvig, Ingvild W.; Wilhelmsen-Langeland, Ane; Pallesen, Ståle et al. (2013). Objective measures of sleep and dim light melatonin onset in adolescents and young adults with delayed sleep phase disorder compared to healthy controls. (external link)
• Saxvig, Ingvild W.; Pallesen, Ståle; Wilhelmsen-Langeland, Ane et al. (2012). Prevalence and correlates of delayed sleep phase in high school students. (external link)
• Saksvik, Ingvild Berg; Bjorvatn, Bjørn; Hetland, Hilde et al. (2012). Personality factors predicting longitudinal changes in shift work tolerance among rotating shift working nurses. (external link)
• Flo, Elisabeth; Bjorvatn, Bjørn; Folkard, Simon et al. (2012). A reliability and validity study of the Bergen shift work sleep questionnaire in nurses working three-shift rotations. (external link)
• Steine, Iris Mulders; Krystal, John H; Nordhus, Inger Hilde et al. (2012). Insomnia, nightmare frequency, and nightmare distress in victims of sexual abuse: the role of perceived social support and abuse characteristics. (external link)
• Bjorvatn, Bjørn; Dale, Sandra Marian; Hogstad-Erikstein, Ruth et al. (2012). Self-reported sleep and health among Norwegian hospital nurses in intensive care units. (external link)
• Flo, Elisabeth; Pallesen, Ståle; Magerøy, Nils et al. (2012). Shift work disorder in nurses - assessment, prevalence and related health problems. (external link)
• Vedaa, Øystein; Saxvig, Ingvild W.; Wilhelmsen-Langeland, Ane et al. (2012). School start time, sleepiness and functioning in Norwegian adolescents. (external link)
• Schreuder, Jolanda A. H.; Roelen, Corné A. M.; Groothofff, JW et al. (2012). Coping styles relate to health and work environment of Norwegian and Deutch hospital nurses: a comparative study. (external link)
• Waage, Siri; Harris, Anette; Pallesen, Ståle et al. (2012). Subjective and objective sleepiness among oil rig workers during three different shift schedules. (external link)
• Dørheim, Signe Karen; Bjorvatn, Bjørn; Eberhard-Gran, Malin M C (2012). Insomnia and depressive symptoms in late pregnancy: a population-based study. (external link)
• Wilhelmsen-Langeland, Ane; Dundas, Ingrid; Saxvig, Ingvild W. et al. (2012). Psychosocial challenges related to Delayed Sleep Phase Disorder. (external link)
• Friborg, Oddgeir; Bjorvatn, Bjørn; Amponsah, Benjamin et al. (2012). Associations between seasonal variations in day length (photoperiod), sleep timing, sleep quality and mood: a comparison between Ghana (5 degrees) and Norway (69 degrees). (external link)
• Steine, Iris Mulders; Milde, Anne Marita; Bjorvatn, Bjørn et al. (2012). English title: The prevalence of sexual abuse in a Norwegian representative population sample. . (external link)
• Thun, Eirunn; Bjorvatn, Bjørn; Osland, Teresa Maria et al. (2012). An actigraphic validation study of seven morningness-eveningness inventories. (external link)
• Bjorvatn, Bjørn; Fetveit, Arne (2012). Søvnproblemer blant eldre. (external link)
• Lunde, Hanne Marie; Aae, Tommy Frøseth; Indrevåg, William et al. (2012). Poor Sleep in Patients with Multiple Sclerosis. (external link)
• Friborg, Oddgeir; Bjorvatn, Bjørn; Amponsah, Benjamin et al. (2011). Associations between seasonal variations in day length (photoperiod), sleep timing, sleep quality and mood: a comparison between Ghana (5°) and Norway (69°). (external link)
• Bjorvatn, Bjørn; Fiske, Eldbjørg; Pallesen, Ståle (2011). A self-help book is better than sleep hygiene advice for insomnia: a randomized controlled comparative study. (external link)
• Natvik, Sylvia Bjørnsen; Bjorvatn, Bjørn; Moen, Bente Elisabeth et al. (2011). Personality factors related to shift work tolerance in two- and three-shift workers. (external link)
• Pallesen, Ståle; Saxvig, Ingvild W.; Molde, Helge et al. (2011). Brief report: Behaviorally induced insufficient sleep syndrome in older adolescents. Prevalence and correlates. (external link)
• Brunborg, Geir Scott; Mentzoni, Rune; Molde, Helge et al. (2011). The relationship between media use in the bedroom, sleep habits and symptoms of insomnia. (external link)
• Saksvik, Ingvild Berg; Bjorvatn, Bjørn; Harvey, Allison G. et al. (2011). Adaptation and readaptation to different shift work schedules measured with sleep diary and actigraphy. (external link)
• Osland, Teresa Maria; Bjorvatn, Bjørn; Steen, Vidar Martin et al. (2011). Association study of a variable-number tandem repeat polymorphism in the clock gene PERIOD3 and chronotype in Norwegian university students. (external link)
• Harris, Anette; Waage, Siri; Ursin, Holger et al. (2010). Cortisol, reaction time test and health among offshore shift workers. (external link)
• Bjorvatn, Bjørn; Grønli, Janne; Pallesen, Ståle (2010). Prevalence of different parasomnias in the general population. (external link)
• Pallesen, Ståle; Nordhus, Inger Hilde; Bjorvatn, Bjørn (2010). Ten-year trends in insomnia prevalence in Norway. (external link)
• Waage, Siri; Odeen, Magnus; Bjorvatn, Bjørn et al. (2010). Still healthy after extended work hours? Ten hours shift, twenty-one days working period for tunnel workers. (external link)
• Waage, Siri; Pallesen, Ståle; Moen, Bente Elisabeth et al. (2010). Shift work and age in the offshore petroleum industry. (external link)
• Omvik, Siri; Pallesen, Ståle; Bjorvatn, Bjørn et al. (2010). Patient characteristics and predictors of sleep medication use. (external link)
• Øyane, Nicolas; Ursin, Reidun; Pallesen, Ståle et al. (2010). Increased health risk in subjects with high self-reported seasonality. (external link)
• Danielsen, Yngvild Sørebø; Pallesen, Ståle; Stormark, Kjell Morten et al. (2010). The relationship between school day sleep duration and body mass index in Norwegian children (aged 10-12). (external link)
• Forberg, Knut Fuglesteg; Waage, Siri; Moen, Bente Elisabeth et al. (2010). Subjective and objective sleep and sleepiness among tunnel workers in an extreme and isolated environment: 10-h shifts, 21-day working period, at 78 degrees north. (external link)
• Sivertsen, Børge; Nordhus, Inger Hilde; Bjorvatn, Bjørn et al. (2010). Sleep problems in general practice. A national survey of assessment and treatment routines of GPs in Norway. (external link)
• Dørheim, Signe Karen; Bondevik, Gunnar Tschudi; Eberhard-Gran, Malin et al. (2009). Sleep and depression in postpartum women: A population-based study. (external link)
• Waage, Siri; Moen, Bente Elisabeth; Pallesen, Ståle et al. (2009). Shift work disorder among oil rig workers in the North Sea. (external link)
• Sivertsen, Børge; Øverland, Simon; Pallesen, Ståle et al. (2009). Insomnia and long sleep duration are risk factors for later work disability. The Hordaland Health Study. (external link)
• Sivertsen, Børge; Øverland, Simon; Bjorvatn, Bjørn et al. (2009). Does insomnia predict sick leave? The Hordaland Health Study. (external link)
• Bjorvatn, Bjørn; Pallesen, Ståle (2009). Reduksjon av søvnproblemer ved bruk av selvhjelpsbok. (external link)
• Dørheim, SK; Bondevik, GT; Eberhard-Gran, Malin et al. (2009). Subjective and objective sleep among depressed and non-depressed postnatal women. (external link)
• Sivertsen, Børge; Omvik, Siri; Pallesen, Ståle et al. (2009). Sleep and sleep disorders in chronic users of zopiclone and drug-free insomniacs. (external link)
• Bjorvatn, Bjørn (2009). Søvnens mysterier. (external link)
• Hajak, Göran; Hedner, Jan; Eglin, Mirjam et al. (2009). A 2-week efficacy and safety study of gaboxadol and zolpidem using electronic diaries in primary insomnia outpatients. (external link)
• Ho-Yen, Signe Dørheim; Bondevik, Gunnar Tschudi; Eberhard-Gran, Malin et al. (2009). Sleep and depression in postpartum women: A population-based study. (external link)
• Eriksen, Willy Bjarne; Bjorvatn, Bjørn; Bruusgaard, Dag et al. (2008). Work factors as predictors of poor sleep in nurses' aides. (external link)
• Øyane, Nicolas; Bjelland, Ingvar; Pallesen, Ståle et al. (2008). Seasonality is associated with anxiety and depression: The Hordaland health study. (external link)
• Fetveit, Arne; Straand, Jørund; Bjorvatn, Bjørn (2008). Sleep disturbances in an arctic population: The Tromso Study. (external link)
• Sivertsen, Børge; Omvik, Siri; Straume, Sivert et al. (2008). Clinical significance of periodic limb movement disorder (PLMD) in insomnia patients. (external link)
• Omvik, Siri; Sivertsen, Børge; Pallesen, Ståle et al. (2008). Daytime functioning in older patients suffering from chronic insomnia: Treatment outcome in a randomized controlled trial comparing CBT with Zopiclone. (external link)
• Fiske, Eldbjørg; Portas, Chiara Maria; Grønli, Janne et al. (2008). Increased extracellular 5-HT but no change in sleep after perfusion of a 5-HT1A antagonist into the dorsal raphe nucleus of rats. (external link)
• Sivertsen, B; Øverland, S; Glozier, N et al. (2008). The effect of OSAS on sick leave and work disability. (external link)
• Pallesen, Ståle; Bjorvatn, Bjørn; Nordhus, Inger Hilde et al. (2008). A new scale for measuring insomnia: the Bergen Insomnia Scale. (external link)
• Saxvig, Ingvild W.; Lundervold, Astri ; Grønli, Janne et al. (2008). The effect of a REM sleep deprivation procedure on different aspects of memory function in humans. (external link)
• Øyane, Nicolas; Ursin, Reidun; Pallesen, Ståle et al. (2008). Self-reported seasonality is associated with complaints of sleep problems and deficient sleep duration: the Hordaland Health Study. (external link)
• Pallesen, Ståle; Nordhus, Inger Hilde; Sivertsen, Børge et al. (2007). Epworth søvnighetsskala. (external link)
• Grønli, Janne; Fiske, Eldbjørg; Murison, Robert et al. (2007). Extracellular levels of serotonin and GABA in the hippocampus after chronic mild stress in rats. - A microdialysis study in an animal model of depression. (external link)
• Omvik, Siri; Pallesen, Ståle; Bjorvatn, Bjørn et al. (2007). Night-time thoughts in high and low worriers: Reaction to caffeine-induced sleeplessness. (external link)
• Pallesen, Ståle; Nordhus, Inger Hilde; Omvik, Siri et al. (2007). Prevalence and risk factors of subjective sleepiness in the general adult population. (external link)
• Fetveit, Arne; Bjorvatn, Bjørn (2007). Søvnforstyrrelser ved psykiske lidelser. (external link)
• Pallesen, Ståle; Bjorvatn, Bjørn; Nordhus, Inger Hilde et al. (2007). Søvnsykdommer - en oversikt. (external link)
• Waage, Siri; Pallesen, Ståle; Bjorvatn, Bjørn (2007). Skiftarbeid og søvn. (external link)
• Pallesen, Ståle; Nordhus, Inger Hilde; Sivertsen, Børge et al. (2007). Psykologers kunnskaper om søvn. (external link)
• Bjorvatn, Bjørn; Sagen, Ina Marie Lunde; Øyane, Nicolas Melchior Frederic et al. (2007). The association between sleep duration, body mass index and metabolic measures in the Hordaland Health Study. (external link)
• Bjorvatn, Bjørn; Stangenes, Kristine Marie; Øyane, Nicolas et al. (2007). Randomized placebo-controlled field study of the effects of bright light and melatonin in adaptation to night work. (external link)
• Fretheim, Atle; Håvelsrud, Kari; Flottorp, Signe et al. (2007). The Effects of Mandatory Prescribing of Thiazides for Newly Treated, Uncomplicated Hypertension: Interrupted Time-Series Analysis. (external link)
• Ulfberg, Jan; Bjorvatn, Bjørn; Leissner, Lena et al. (2007). Comorbidity in restless legs syndrome among a sample of Swedish adults. (external link)
• Ho-Yen, Signe Dørheim; Bondevik, Gunnar Tschudi; Eberhard-Gran, Malin M C et al. (2007). Factors associated with depressive symptoms among postnatal women in Nepal. (external link)
• Fiske, Eldbjørg; Portas, Chiara Maria; Grønli, Janne et al. (2007). Increased extracellular 5-HT but no change of sleep after perfusion of a 5-HT1A antagonist into the dorsal raphe nucleous of rats . (external link)
• Fetveit, Arne; Bjorvatn, Bjørn (2006). Sleep duration in nursing home pasients in associated with the severity of dementia. (external link)
• Grønli, Janne; Bjorvatn, Bjørn (2006). SOV:no: Nasjonalt Kompetansesenter for Søvnsykdommer. (external link)
• Grønli, Janne; Bramham, Clive R. Evjen; Murison, Robert et al. (2006). Chronic mild stress inhibits BDNF protein expression and CREB activation in the dentate gyrus but not in the hippocampus proper. (external link)
• Ursin, Reidun; Holsten, Fred; Bjorvatn, Bjørn (2006). Søvn hos 40-45 åringer i Hordaland. (external link)
• Ho-Yen, Signe Dørheim; Ho-Yen, Signe Dørheim; Bondevik, Gunnar Tschudi et al. (2006). The prevalence of depressive symptoms in the postnatal period in Lalitpur district, Nepal. (external link)
• Sivertsen, Børge; Overland, Simon; Neckelmann, Dag et al. (2006). The long-term effect of insomnia on work disability - The HUNT-2 historical cohort study. (external link)
• Baerheim, Anders; Bjorvatn, Bjørn; Hunskaar, Steinar (2006). Jordstråler – et begrep uten vitenskapelig grunnlag. (external link)
• Fiske, Eldbjørg; Grønli, Janne; Bjorvatn, Bjørn et al. (2006). The effect of GABA(A) antagonist bicuculline on dorsal raphe nucleus and frontal cortex extracellular serotonin: A window on SWS and REM sleep modulation. (external link)
• Fetveit, Arne; Bjorvatn, Bjørn (2006). Sleep duration during the 24-hour day is associated with the severity of dementia in nursing home patients. (external link)
• Bjorvatn, Bjørn; Stangenes, Kristine Marie; Øyane, Nicolas Melchior Frederic et al. (2006). Subjective and objective measures of adaptation and readaptation to night work on an oil rig in the North Sea. (external link)
• Sivertsen, Børge; Omvik, Siri; Pallesen, Ståle et al. (2006). Cognitive behavioral therapy vs zopiclone for treatment of chronic primary insomnia in older adults - A randomized controlled trial. (external link)
• Sivertsen, Børge; Omvik, Siri; Havik, Odd E. et al. (2006). A comparison of actigraphy and polysomnography in older adults treated for chronic primary insomnia. (external link)
• Fetveit, Arne; Bjorvatn, Bjørn (2005). Lysbehandling mot søvnvansker i sykehjem et ikke-farmakologisk alternativ. (external link)
• Øyane, Nicolas Melchior Frederic; Bjorvatn, Bjørn (2005). Sleep disturbances in adolescents and young adults with autism and Asperger syndrome. (external link)
• Pallesen, Ståle; Nordhus, Inger Hilde; Omvik, Siri et al. (2005). Pittsburgh Sleep Quality Index testpsykologi. (external link)
• Bjorvatn, Bjørn; Leissner, Lena; Ulfberg, Jan et al. (2005). Prevalence, severity and risk factors of restless legs syndrome in the general adult population in two Scandinavian countries. (external link)
• Fetveit, Arne; Bjorvatn, Bjørn (2005). Søvnforstyrrelser hos sykehjemspasienter praktiske behandlingsråd. (external link)
• Grønli, Janne; Murison, Robert; Fiske, Eldbjørg et al. (2005). Effects of chronic mild stress on sexual behavior, locomotor activity and consumption of sucrose and saccharine solutions. (external link)
• Baerheim, Anders; Øren, J.N; Bjorvatn, Bjørn et al. (2005). Tx-discs - no effect against subjective health complaints - A randomised controlled study. (external link)
• Fetveit, Arne; Bjorvatn, Bjørn (2005). Bright-light treatment reduces actigraphic measured daytime sleep in nursing home patients with dementia - A pilot study. (external link)
• Ursin, Reidun; Bjorvatn, Bjørn; Holsten, Fred (2005). Sleep duration, subjective sleep habits of 40 to 45 year olds in the Hordaland Health Study. (external link)
• Pallesen, Ståle; Nordhus, Inger Hilde; Skelton, Stine Hjelle et al. (2005). Bright light treatment has limited effect in subjects over 55 years with mild early morning awakening. (external link)
• Øyane, Nicolas Melchior Frederic; Holsten, Fred; Ursin, Reidun et al. (2005). Seasonal variations in mood and behaviour associated with gender, annual income and education: The Hordaland Health Study. (external link)
• Fetveit, Arne; Bjorvatn, B (2005). Bright-light treatment reduces actigraphic-measured daytime sleep in nursing home patients with dementia: a pilot study. (external link)
• Skjerve, Arvid; Bjorvatn, Bjørn; Holsten, Fred (2004). Light therapy for behavioral and psychological symptoms of dementia. (external link)
• Skjerve, Arvid; Holsten, Fred; Aarsland, Dag et al. (2004). Improvement in behavioral symptoms and advance of activity acrophase after short term bright light treatment in severe dementia. (external link)
• Fetveit, Arne; Bjorvatn, Bjørn (2004). The effects of bright-light therapy on actigraphical measured sleep last for several weeks post-treatment. A study in a nursing home population. (external link)
• Sivertsen, Børge; Omvik, Siri; Pallesen, Ståle et al. (2004). Sleep disorders in elderly patients who take hypnotics on a regular basis. (external link)
• Grønli, Janne; Murison, Robert; Bjorvatn, Bjørn et al. (2004). Chronic mild stress affects sucrose intake and sleep in rats. (external link)
• Fetveit, Arne; Bjorvatn, Bjørn (2004). The effects of bright-light therapy on actigraphical measured sleep last for several weeks post-treatment. A study in a nursing home population. (external link)
• Bjorvatn, Bjørn; Pallesen, Ståle (2004). Moderne behandling av søvnproblemer og vinterdepresjoner. (external link)
• Ruths, Sabine; Straand, Jørund; Nygaard, Harald et al. (2004). Effect of antipsychotic withdrawal on behavior and sleep/wake activity in nursing home residents with dementia: A randomized, placebo-controlled, double-blinded study the Bergen District Nursing Home study. (external link)
• Pallesen, Ståle; Holsten, Fred; Bjørkum, Alvhild Alette et al. (2004). Søvnvansker ved nattarbeid, et problem for offshoreindustrien?. (external link)
• Bjørkum, Alvhild Alette; Pallesen, Ståle; Holsten, F et al. (2004). Skiftarbeid og ulykker - relevans for offshoreindustrien. (external link)
• Fetveit, Arne; Skjerve, Arvid; Bjorvatn, Bjørn (2003). Bright light treatment improves sleep in institutionalised elderly - an open trial. (external link)
• Bjorvatn, Bjørn (2003). Alternativer til sovemidler hos eldre. (external link)
• Løvås, Kristian; Husebye, Eystein; Holsten, Fred et al. (2003). Sleep disturbances in patients with Addison's disease. (external link)
• Pallesen, Ståle; Bjorvatn, Bjørn; Nordhus, Inger Hilde et al. (2002). Valeriana som sovemiddel?. (external link)
• Bjorvatn, Bjørn; Grønli, Janne; Hamre, Frøydis et al. (2002). Effects of sleep deprivation on extracellular serotonin in the hippocampus and frontal cortex of the rat. (external link)
• Fetveit, Arne; Bjorvatn, Bjørn (2002). Søvnforstyrrelser hos demente. (external link)
• Bjorvatn, Bjørn (2002). Søvn og søvnproblemer. (external link)
• Fetveit, Arne; Bjorvatn, Bjørn (2002). Sleep disturbances among nursing home residents. (external link)
• Fetveit, Arne; Bjorvatn, Bjørn (2002). Behandling av søvnforstyrrelser hos personer med demens - med vekt på lysbehandling. (external link)
• Skelton, Stine Hjelle; Pallesen, Ståle; Bjorvatn, Bjørn et al. (2002). Lysbehandling: En oversikt over anvendelesområder og virkningsmekanismer. (external link)
• Sørensen, Eli; Grønli, Janne; Bjorvatn, Bjørn et al. (2001). Sleep and waking following microdialysis perfusion of the selective 5-HT 1A receptor antagonist p-MPPI into the dorsal raphe nucleus in the freely moving rat. (external link)
• Sørensen, Eli; Grønli, Janne; Bjorvatn, Bjørn et al. (2001). The selective 5-HT 1A receptor antagonist p-MPPI antagonizes sleep-waking and behavioural effects of 8-OH-DPAT in rats. (external link)
• Bjorvatn, Bjørn; Holsten, Fred; Skeidsvoll, Håvard (2001). Periodiske beinbevegelser under søvn - kan og skal de behandles?. (external link)
• Bjorvatn, Bjørn; Holsten, F; Skeidsvoll, H (2001). Periodiske benbevegelser under søvn - kan og skal de behandles?. (external link)
• Bjorvatn, Bjørn (2000). Langvarige søvnvansker - kan de behandles?. (external link)
• Bjorvatn, Bjørn (2000). Søvn ved depressive lidelser. (external link)
• Bjorvatn, Bjørn (2000). Søvn ved depressive lidelser. (external link)
• Bjorvatn, Bjørn (2000). Langvarige søvnvansker - kan de behandles?. (external link)
• Bjorvatn, Bjørn; Fornal, CA; Martín, FJ et al. (2000). Venlafaxine and its interaction with WAY 100635: effects on serotonergic unit activity and behavior in cats. (external link)
• Sørensen, Eli; Bjorvatn, Bjørn; Ursin, Reidun (2000). Sleep-wake effects following the selective 5-HT1A receptor antagonist p-MPPI in the freely moving rat. (external link)
• Portas, Chiara Maria; Bjorvatn, Bjørn; Ursin, Reidun (2000). Serotonin and the sleep/wake cycle: special emphasis on microdialysis studies. (external link)
• Bjorvatn, Bjørn; Fornal, CA; Martin, FJ et al. (2000). Venlafaxine and its interaction with WAY 100635: effects on serotonergic unit activity and behavior in cats. (external link)
• Sørensen, Eli; Bjorvatn, Bjørn; Ursin, Reidun (2000). Sleep-wake effects following the selective 5-HT1a receptor antagonist p-MPPI in the freely moving rat. (external link)
• Bjorvatn, Bjørn; Fornal, CA; Martín, FJ et al. (2000). Venlafaxine and its interaction with WAY 100635: effects on serotonergic unit activity and behavior in cats. (external link)
• Portas, Chiara Maria; Ursin, Reidun; Bjorvatn, Bjørn (2000). Serotonin and the sleep/wake cycle: Special emphasis on microdialysis studies. (external link)
• Fornal, CA; Martin, FJ; Mendlin, A et al. (1999). Pindolol increases extracellular 5-HT while inhibiting serotonergic neuronal activity. (external link)
• Bjorvatn, Bjørn; Kecklund, G; Åkerstedt, T (1999). Bright light treatment used for adaptation to night work and re-adaptation back to day life. A field study at an oil platform in the North Sea. (external link)
• Fornal, CA; Martin, FJ; Mendlin, A et al. (1999). Pindolol increases extracellular 5-HT while inhibiting serotonergic neuronal activity. (external link)
• Bjorvatn, Bjørn; Kecklund, G; Åkerstedt, T (1999). Bright light treatment used for adaption to night work and re-adaption back to day life. A field study at an oil platform in the North Sea. (external link)
• Bjorvatn, Bjørn; Fagerland, Snorre; Ursin, Reidun (1998). EEG power densities (0.5-20.0 Hz) in different sleep/wake stages in rats. (external link)
• Bjorvatn, Bjørn; Ursin, Reidun (1998). Changes in sleep and wakefulness following 5-HT1A ligands given systemically and locally in different brain regions. (external link)
• Bjorvatn, Bjørn; Kecklund, G; Åkerstedt, T (1998). Rapid adaptation to night work at an oil platform, but slow readaptation after returning home. (external link)
• Bjorvatn, Bjørn; Ursin, Reidun (1998). Changes in sleep wakefulness following 5-HT1A ligands given systematically and locally in different brain regions. (external link)
• Bjorvatn, Bjørn; Fornal, CA; Martin, FJ et al. (1998). The 5-HT1A receptor antagonist p-MPPI blocks 5-HT1A autoreceptors and increases dorsal raphe unit activity in awake cats. (external link)
• Bjorvatn, Bjørn; Fagerland, Snorre; Ursin, Reidun (1998). EEG power densities (0.5 - 20.0 Hz) in different sleep/wake stages in rats. (external link)
• Bjorvatn, Bjørn; Ursin, Reidun (1998). Changes in sleep and wakefulness following 5-HT1A ligands given systematically and locally in different brain regions. (external link)
• Ursin, Reidun; Bjorvatn, Bjørn (1998). Sleep-wake and EEG effects following adenosine A1 agonism and antagonism: Similarities and interactions with sleep-wake and EEG effects following a serotonin reuptake inhibitor in rats. (external link)
• Bjorvatn, Bjørn; Fornal, CA; Martin, F.J. et al. (1998). The putative selective 5-HT-1A antagonist p-MPPI blocks 5-HT-1A autoreceptors and increases serotonergic dorsal raphe unit activity in behaving cats. (external link)
• Bjorvatn, Bjørn; Kecklund, G.; Åkerstedt, T. (1998). Rapid adaptation to night work at an oil platform, but slow readaptation after returning home. (external link)
• Ursin, Reidun; Bjorvatn, Bjørn (1998). Sleep-wake and EEG effects following adenosine A1 agonism and antagonism: Similarities and interactions with sleep-wake and EEG effects following a serotonin reuptake inhibitor in rats. (external link)
• Portas, Chiara Maria; Bjorvatn, Bjørn; Fagerland, Snorre et al. (1998). On-line detection of extracellular levels of serotonin in dorsal raphe nucleus and frontal cortex over the sleep/wake cycle in the freely moving ra. (external link)
• Portas, CM; Bjorvatn, Bjørn; Fagerland, Snorre et al. (1998). On-line detection of extracellular levels of serotonin in dosal raphe nucleus and frontal cortex over the sleep/wake cycle in the freely moving rat. (external link)
• Holsten, Fred; Bjorvatn, Bjørn (1997). Lysbehandling ved jet lag, nattarbeid og søvnlidelser. (external link)
• Bjorvatn, Bjørn; Aarre, TF; Lund, Anders (1997). Neurbiologiske mekanismer ved antidepressiv behandling. (external link)
• Holsten, Fred; Bjorvatn, Bjørn (1997). Et alternativ ved psykiske lidelser med sesongvariasjon eller søvnforstyrrelser. (external link)
• Bjorvatn, Bjørn; Holsten, Fred (1997). Lysbehandling ved jet lag, nattarbeid og søvnlidelser. (external link)
• Bjorvatn, Bjørn; Aarre, T. F.; Lund, Anders (1997). Nevrobiologiske mekanismer ved antidepressiv behandling. Betydningen av serotonerge autoreseptorer. (external link)
• Bjorvatn, Bjørn; Holsten, Fred (1997). Lysbehandling ved jet lag, nattarbeid og søvnlidelser. (external link)
• Holsten, Fred; Bjorvatn, Bjørn (1997). Lysbehandling ved vinterdepresjoner, andre psykiske lidelser og døgnvillhet ved Mb. Alzheimer. (external link)
• Neckelmann, Dag; Bjorvatn, Bjørn; Bjørkum, Alvhild Alette et al. (1996). Citalopram: differential sleep/wake and EEG power spectrum effects after single dose and chronic administration. (external link)
• Neckelmann, Dag; Bjørkum, Alvhild Alette; Bjorvatn, Bjørn et al. (1996). Sleep and EEG power spectral effects of the 5-HT(1A) agonist/antagonist NAN-190 alone and in combination with citalopram. (external link)
• Bjorvatn, Bjørn; Neckelmann, Dag; Bjørkum, Alvhild Alette et al. (1996). Hypothermia and the 5-HT syndrome induced by CGS 12066B, independently of 5-HT(1B) receptor activation. (external link)
• Bjorvatn, Bjørn; Bjørkum, Alvhild Alette; Neckelmann, Dag Olav Grini et al. (1995). Sleep/Waking and EEG Power Spectrum Effects of a Nonselective Serotonin (5-HT) Antagonist and a Selective 5-HT Reuptake Inhibitor Given Alone and in Combination. (external link)

Academic literature review

• Murray, Jade M.; Stone, Julia E.; Abbott, Sabra M. et al. (2024). A Protocol to Determine Circadian Phase by At-Home Salivary Dim Light Melatonin Onset Assessment. (external link)
• Bjerrum, Louise; Nordhus, Inger Hilde; Sørensen, Lin et al. (2024). Acute effects of light during daytime on central aspects of attention and affect: A systematic review. (external link)
• Morin, Charles M.; Bei, Bei; Bjorvatn, Bjørn et al. (2023). World sleep society international sleep medicine guidelines position statement endorsement of “behavioral and psychological treatments for chronic insomnia disorder in adults: An American Academy of sleep medicine clinical practice guidelines”. (external link)
• Skeie-Larsen, Mathilda; Stave, Rebekka; Grønli, Janne et al. (2023). The Effects of Pharmacological Treatment of Nightmares: A Systematic Literature Review and Meta-Analysis of Placebo-Controlled, Randomized Clinical Trials. (external link)
• Riemann, Dieter; Espie, Colin A.; Altena, Ellemarije et al. (2023). The European Insomnia Guideline: An update on the diagnosis and treatment of insomnia 2023. (external link)
• Saeed, Sahrai; Romarheim, Synnøve Andrea; Solheim, Eivind et al. (2022). Cardiovascular remodeling in obstructive sleep apnea: focus on arterial stiffness, left ventricular geometry and atrial fibrillation. (external link)
• Sunde, Erlend; Harris, Anette Kristoffersen; Nielsen, Morten Birkeland et al. (2022). Protocol for a systematic review and meta-analysis on the associations between shift work and sickness absence. (external link)
• Bjorvatn, Bjørn; Jernelöv, Susanna; Pallesen, Ståle (2021). Insomnia – a heterogenic disorder often comorbid with psychological and somatic disorders and diseases: A narrative review with focus on diagnostic and treatment challenges. (external link)
• Benedict, Christian; Partinen, Markku; Bjorvatn, Bjørn et al. (2021). Sleep in Female Healthcare Workers during COVID-19: A Cross-Sectional Survey Study in Sweden during the Flattening of the First Wave of the Pandemic. (external link)
• Baglioni, Chiara; Altena, Ellemarije; Bjorvatn, Bjørn et al. (2020). The European Academy for cognitive-behavioural therapy for insomnia: An initiative of the European Insomnia Network to promote implementation and dissemination of treatment. . (external link)
• Buchvold, Hogne Vikanes; Pallesen, Ståle; Waage, Siri et al. (2019). Shift Work and Lifestyle factors: A 6-year follow-Up Study Among Nurses. (external link)
• Vedaa, Øystein; Harris, Anette; Bjorvatn, Bjørn et al. (2016). Systematic review of the relationship between quick returns in rotating shift work and health-related outcomes. (external link)
• Flo, Elisabeth; Bjorvatn, Bjørn; Corbett, Anne et al. (2016). Joint occurrence of pain and sleep disturbances in people with dementia. A systematic review. (external link)
• Thun, Eirunn; Bjorvatn, Bjørn; Åkerstedt, Torbjørn et al. (2016). Trajectories of sleepiness and insomnia symptoms in Norwegian nurses with and without night work and rotational work. (external link)
• Pallesen, Ståle; Bjorvatn, Bjørn; Grønli, Janne (2016). Behandling av mareritt : en oversikt over randomiserte behandlingsstudier. (external link)
• Bjorvatn, Bjørn (2016). Medikamentell behandling av insomni blant voksne :. (external link)
• Bjorvatn, Bjørn (2016). Søvn og søvnforstyrrelser. (external link)
• Thun, Eirunn; Bjorvatn, Bjørn; Flo, Elisabeth et al. (2015). Sleep, circadian rhythms, and athletic performance. (external link)
• Pallesen, Ståle; Molde, Helge; Bjorvatn, Bjørn et al. (2015). Behandling av dataspillavhengighet : en systematisk oversikt. (external link)
• Gradisar, Michaeil; Smits, Marcel G; Bjorvatn, Bjørn (2014). Assessment and treatment of delayed sleep phase disorder in adolescents: Recent innovations and cautions.. (external link)
• Fossum, Ingrid Nesdal; Bjorvatn, Bjørn; Waage, Siri et al. (2013). Effects of shift and night work in the offshore petroleum industry: a systematic review. (external link)
• Lunde, Hanne Marie; Bjorvatn, Bjørn; Myhr, Kjell-Morten et al. (2013). Clinical assessment and management of sleep disorders in multiple sclerosis: a literature review. (external link)
• Steine, Iris Mulders; Harvey, Allison G.; Krystal, John H et al. (2012). Sleep disturbances in sexual abuse victims: A systematic review. (external link)
• Lehouillier, Ingvild Saksvik; Bjorvatn, Bjørn; Hetland, Hilde et al. (2011). Individual differences in tolerance to shift work--a systematic review. (external link)
• Saksvik, Ingvild Berg; Bjorvatn, Bjørn; Hetland, Hilde et al. (2011). Individual differences in tolerance to shift work - A systematic review. (external link)
• Pallesen, Ståle; Bjorvatn, Bjørn; Magerøy, Nils et al. (2010). Measures to counteract the negative effects of night work. (external link)
• Saksvik, Ingvild Berg; Bjorvatn, Bjørn; Hetland, Hilde et al. (2010). Individual differences in tolerance to shift work - a systematic review. (external link)
• Bjorvatn, Bjørn; Pallesen, Ståle (2009). A practical approach to circadian rhythm sleep disorders. (external link)
• Dahl, Alv A; Bjorvatn, Bjørn (2009). Bidirectional association between insomnia and anxiety. (external link)
• Pallesen, Ståle; Bjorvatn, Bjørn; Magerøy, Nils et al. (2009). Measures to couteract the negative effects of night work. (external link)
• Øyane, Nicolas; Hoven, Anne Marie Kaldestad van den; Fetveit, Arne et al. (2009). Symptommønstre ved kroniske søvnsykdommer. (external link)
• Fetveit, Arne; Bjorvatn, Bjørn (2009). Søvnforstyrrelser hos eldre. (external link)
• Pallesen, Ståle; Bjorvatn, Bjørn (2009). Døgnrytmeforstyrrelser. (external link)
• Bjorvatn, Bjørn; Grønli, Janne; Pallesen, Ståle (2009). Parasomnier. (external link)
• Bjorvatn, Bjørn; Sivertsen, Børge; Øyane, Nicolas et al. (2009). Insomni. (external link)

Popular scientific lecture

• Flo-Groeneboom, Elisabeth; Blytt, Kjersti Marie; Bjorvatn, Bjørn et al. (2023). Forskernatt «Søvnens makt: Ungdom – overgang – alderdom». (external link)
• Moen, Bente Elisabeth; Waage, Siri; Forberg, Knut Fuglesteg et al. (2009). Tunnels workers may adapt well to night shift work. (external link)
• Ursin, Reidun; Grønli, Janne; Sørensen, Eli et al. (2000). A single dose of the adenosine A1 antagonist 8-cyclopentyl-theofylline (CPT) increases hippocampal serotonin during waking in rats as measured by microdialysis. (external link)
• Bjorvatn, Bjørn (2000). The use of actigraphy in periodic leg movements. A case history. (external link)
• Bjorvatn, Bjørn; Kecklund, G; Åkerstedt, T (2000). Bright light treatment at an oil platform in the North Sea. (external link)
• Bjorvatn, Bjørn (1999). Do non-pharmacological interventions help chronic insomniacs?. (external link)
• Johansen, IM; Holsten, Fred; Bjorvatn, Bjørn (1997). Morning bright light for "sundowning" in Mb. Alzheimer. (external link)
• Bjorvatn, Bjørn; Kecklund, G; Åkerstedt, T (1997). Bright light treatment during night work at oil rigs. (external link)
• Bjorvatn, Bjørn (1997). Non-pharmacological treatment of chronic insomnia. (external link)
• Mundal, V; Bjorvatn, Bjørn; Portas, CM et al. (1997). Sleep/waking effects of methiothepin, a non-selective 5-HT antagonist, perfused in dorsal raphe nucleus in rats. Microdialysis combined with polygr recording. (external link)
• Holsten, Fred; Bjorvatn, Bjørn (1997). Phototherapy of seasonal affective disorder in the west of Norway. (external link)
• Ursin, Reidun; Bjorvatn, Bjørn (1997). The delta sleep increase following the 5-HT reuptake inhibitor zimeldine in rats is not blocked by an adenosine A1 antagonist. (external link)
• Holsten, Fred; Bjorvatn, Bjørn; Øvsteng, HA et al. (1997). Phototherapy in non-seasonal depressions. (external link)
• Bjorvatn, Bjørn; Kecklund, G; Åkerstedt, T (1997). Adaptation to night work in the North Sea and readaptation following return home. (external link)
• Bjørkum, Alvhild Alette; Bjorvatn, Bjørn; Neckelmann, Dag et al. (1997). Modulatory role of the descending serotonergic system in sleep and waking. (external link)
• Bjorvatn, Bjørn; Fagerland, S; Eid, T et al. (1997). Vigilance effects of the selective 5-HT 1A agonist 8-OH-DPAT given systemically and locally in the dorsal raphe nucleus in rats. (external link)
• Bjorvatn, Bjørn; Kecklund, G; Åkerstedt, T (1997). Bright light treatment may facilitate adaptation to night work at oil rigs in the North Sea. (external link)
• Portas, CM; Bjorvatn, Bjørn; Fagerland, S et al. (1997). Extracellular 5-HT levels in dorsal raphe over the sleep/wake cycle: a microdialysis study in the freely moving rat. (external link)
• Sørensen, Eli; Bjorvatn, Bjørn; Fagerland, S et al. (1997). A dose-response study of the selective 5-HT 1A antagonist p-MPPI on sleep/wake stages in the rat. (external link)

Article in business/trade/industry journal

• Bjorvatn, Bjørn; Waage, Siri; Djupedal, Ingebjørg Louise Rockwell et al. (2023). Hva sier vitenskapen om sykepleierens helse? Her er en oppsummering. . (external link)
• Bjorvatn, Bjørn; Kallestad, Håvard; Langsrud, Knut et al. (2023). Nasjonal anbefaling for utredning og behandling av døgnrytmelidelser. (external link)
• Ruths, Sabine; Bjorvatn, Bjørn (2022). Forskningen etter tusenårsskiftet (2003-2021). (external link)
• Johansson, Anders; Gjerde, Kjersti; Lehmann, Sverre et al. (2014). Skinnebehandling mot søvnapnè. (external link)

Editorial

• Pandi‑Perumal, Seithikurippu R.; Gulia, Kamalesh K.; Mallick, Hruda Nanda et al. (2023). Israel−Palestine Conflict: Risk of Sleep Disorders and Post-Traumatic Stress Disorders. (external link)
• Pandi-Perumal, Seithikurippu R.; van de Put, Willem A.C.M.; Maercker, Andreas et al. (2023). Harbingers of Hope: Scientists and the Pursuit of World Peace. (external link)
• Pandi-Perumal, Seithikurippu R.; Kumar, Velayudhan Mohan; Pandian, Namasivayam Ganesh et al. (2022). Scientists Against War: A Plea to World Leaders for Better Governance. (external link)
• Jernelöv, Susanna; Pallesen, Ståle; Bjorvatn, Bjørn (2021). Editorial: Insomnia: A Heterogenic Disorder Often Comorbid With Other Disorders and Diseases. (external link)
• Bjorvatn, Bjørn; Waage, Siri (2013). Bright Light Improves Sleep and Psychological Health in Shift Working Nurses. (external link)
• Bjorvatn, Bjørn (2010). Søvnforskning. (external link)
• Bjorvatn, Bjørn (2010). Senter for Søvnmedisin. (external link)

Programme management

• Pilskog, Ingjald; Bjorvatn, Bjørn (2023). Søvn og søvnvansker: Historiens siste sommertid?. (external link)

Lecture

• Fors, Egil Andreas; Rørtveit, Guri; Bellika, Johan Gustav et al. (2022). Practice-based research networks: A small step for a GP, but a giant leap for primary care research. (external link)
• Bjorvatn, Bjørn; Lehmann, Sverre; Johansson, Anders (2014). Søvnforstyrrelser. (external link)
• Amofah, Hege Andersen; Broström, Anders; Fridlund, Bengt Gotthard Anton et al. (2014). Søvn hos pasienter på 80+ etter AVR eller TAVI. (external link)

Academic lecture

• Forthun, Ingeborg; Eliassen, Knut Eirik Ringheim; Emberland, Knut Erik et al. (2022). The association between insomnia, sleep duration and infections among patients in general practice. (external link)
• Sunde, Erlend; Mrdalj, Jelena; Pedersen, Torhild Thue et al. (2022). Reversal learning and working memory scanning task performance improve with bright light exposure during simulated night work: a counterbalanced crossover study. (external link)
• Forthun, Ingeborg; Waage, Siri; Pallesen, Ståle et al. (2022). A longitudinal study of work time schedule and prescribed sleep medication use in Norwegian nurses. (external link)
• Forthun, Ingeborg; Waage, Siri; Pallesen, Ståle et al. (2020). Predictors of sleep medication use among Norwegian nurses - a cross-sectional study. (external link)
• Sunde, Erlend; Mrdalj, Jelena; Pedersen, Torhild et al. (2019). Effects of Different Light Intensities on Adaptation to Simulated Night Shifts: A Randomized Counterbalanced Crossover Study. (external link)
• Ruths, Sabine; Bjorvatn, Bjørn; Hjørleifsson, Stefan et al. (2017). Self-reported depression in patients visiting their general practitioner. (external link)
• Blytt, Kjersti Marie; Bjorvatn, Bjørn; Husebo, Bettina et al. (2017). Effects of pain treatment on sleep in People With dementia and depression: a placebo-controlled randomised clinical trial.. (external link)
• Brevik, Erlend Joramo; Lundervold, Astri; Halmøy, Anne et al. (2016). Insomnia in adults with ADHD: impact of clinical subtype and pharmacological treatment. (external link)
• Reknes, Iselin; Einarsen, Ståle; Pallesen, Ståle et al. (2016). Exposure to bullying behaviors at work and subsequent symptoms of anxiety: The moderating role of individual coping style. (external link)
• Amofah, Hege Andersen; Broström, Anders; Fridlund, Bengt Gotthard Anton et al. (2015). Daytime sleep in octogenarian patients after aortic valve therapy.. (external link)
• Dørheim, Signe Karen; Garthus-Niegel, Susan; Bjorvatn, Bjørn et al. (2014). May personality traits predict insomnia or sleep pattern in late pregnancy and after delivery?. (external link)
• Reknes, Iselin; Einarsen, Ståle; Magerøy, Nils et al. (2014). The moderating role of individual coping style on the bullying-health relationship. (external link)
• Mrdalj, Jelena; Murison, Robert; Jellestad, Finn Konow et al. (2013). Hypothermia after chronic mild stress exposure in rats with ahistory of postnatal maternal separation. (external link)
• Flo, Elisabeth; Pallesen, Ståle; Moen, Bente Elisabeth et al. (2013). Shift-rotations with less than 11 hours rest periods predict shift work disorder, excessive sleepiness and pathological fatigue in nurses at one year follow-up. (external link)
• Flo, Elisabeth; Pallesen, Ståle; Moen, Bente Elisabeth et al. (2013). Short rest periods of less than 11 hours between work shifts predict sleep and health problems in nurses at one year follow-up. (external link)
• Dørheim, Signe Karen; Bjorvatn, Bjørn; Eberhard-Gran, Malin (2013). Rates and risk factors for sick leave during pregnancy- a longitudinal study. (external link)
• Dørheim, Signe Karen; Bjorvatn, Bjørn; Eberhard-Gran, Malin (2013). May insomnia in late pregnancy predict postpartum depressive symptoms? A population based longitudinal study. (external link)
• Dørheim, Signe Karen; Bjorvatn, Bjørn; Eberhard-Gran, Malin (2012). Insomnia and depressionin late pregnancy- a population based study. (external link)
• Mrdalj, Jelena; Pallesen, Ståle; Milde, Anne Marita et al. (2011). Early and later life stress leads to a lower brain activity during sleep and wakefulness in rats. (external link)
• Mrdalj, Jelena; Pallesen, Ståle; Milde, Anne Marita et al. (2011). Lower brain activity during sleep and wakefullnes; induced by exposure to long maternal separation and chronic mild stress in rats. (external link)
• Mrdalj, Jelena; Pallesen, Ståle; Milde, Anne Marita et al. (2011). Chronic mild stress potentiates a lower brain activity during sleep and wakefulness in rats exposed to long maternal separation. (external link)
• Dørheim, Signe Karen; Bondevik, Gunnar Tschudi; Eberhard-Gran, Malin et al. (2010). Sleep and depression among postnatal women- a population based questionnaire study supplemented by sleep diary and actigraphy. (external link)
• Mrdalj, Jelena; Murison, Robert; Milde, Anne Marita et al. (2010). Early Life Stress and the effect on circadian rhythmicity. The mother - infant relationship in rats as model. (external link)
• Magerøy, Nils; Notelaers, Guy; Bjorvatn, Bjørn et al. (2010). Aggression from clients was not perceived as bullying among Norwegian nurses. (external link)
• Dørheim, SK; Eberhard-Gran, Malin ; Bondevik, GT et al. (2008). Sleep and depression among postnatal women, a population-based study supplemented by sleep diary and actigraphy. (external link)
• Dørheim, SK; Eberhard-Gran, Malin ; Bondevik, GT et al. (2008). Risk factors for poor sleep and depression among postnatal women, a population based questionnaire study supplemented by sleep diary and actigraphy. (external link)
• Fiske, Eldbjørg; Grønli, Janne; Bjorvatn, Bjørn et al. (2007). The effect of GABAA antagonist bicucilline on dorsal raphe nucleus and frontal cortex extracellular serotonin: a window on SWS and REM sleep modulation. (external link)
• Grønli, Janne; Fiske, Eldbjørg; Murison, Robert et al. (2007). Serotonin and GABA in the hippocampus after chronic mild stress in rats. A microdialysis study over the sleep/wake cycle in an animal model of depression. (external link)
• Ho-Yen, SD; Eberhard-Gran, Malin ; Bondevik, GT et al. (2007). Depressive symptoms in the postnatal period in Lalitpur district, Nepal: prevalence and risk factors. (external link)
• Ho-Yen, SD; Eberhard-Gran, Malin ; Bondevik, GT et al. (2007). Are there any differences in sleep between depressed and non-depressed mothers in the postnatal period?. (external link)
• Ho-Yen, SD; Eberhard-Gran, Malin ; Bondevik, GT et al. (2006). Depressive symptoms in the postnatal period in Lalitpur district, Nepal: Prevalence and risk factors. (external link)
• Ruths, Sabine; Straand, Jørund; Nygaard, Harald Armand et al. (2004). Impact of antipsychotic withdrawal on behavour and sleep/wake activity in demented nursing home residents. A randomised, placebo-controlled, double-blinded study. (Oral presentation by S Ruths; , Book of abstracts no 521, pp 212). (external link)
• Bjorvatn, Bjørn; Fetveit, A (2003). Sleep disturbances among nursing home residents. (external link)
• Ruths, Sabine; Straand, Jørund; Nygaard, Harald Armand et al. (2003). Antipsychotic drug withdrawal from demented nursing home residents - a randomised double-blind controlled trial. The Bergen District Nursing Home (BEDNURS)Study. (external link)
• Ruths, Sabine; Straand, Jørund; Nygaard, Harald Armand et al. (2003). Seponering av antipsykotiske legemidler hos demente sykehjemspasienter - en kontrollert dobbelt blind studie. (external link)
• Skelton, Stine Hjelle; Nordhus, Inger Hilde; Pallesen, Ståle et al. (2002). Early morning awakening (EMA) in the elderly: A bright light therapy study. (external link)
• Fetveit, A; Bjorvatn, Bjørn (2001). Sleep and sleep problems in a nursing home. (external link)
• Bjorvatn, Bjørn; Kecklund, G; Åkerstedt, T (2001). Bright light facilitates circadian adaptation among night workers at an oil platform in the North Sea. (external link)
• Bjørkum, Alvhild Alette; Portas, Chiara Maria; Bjorvatn, Bjørn et al. (2000). Microdialysis perfusion of 5-HT-1a receptor ago- and anagonists in dorsal raphe nucleus - changes in 5-HT levels and behavioral state. (external link)
• Sørensen, Eli; Bjorvatn, Bjørn; Bjørkum, Alvhild Alette et al. (2000). Sleep and waking following perfusion of a selective 5-HT1A antagonist in the dorsal raphe nucleus in rats. (external link)
• Bjørkum, Alvhild Alette; Portas, CM; Bjorvatn, Bjørn et al. (2000). Micodialysis perfusion of 5-HT1A receptor ago- and antagonists in dorsal raphe nucleus - changes in 5-HT levels and behaviorial state. (external link)
• Bjørkum, Alvhild Alette; Portas, CM; Bjorvatn, Bjørn et al. (2000). Microdialysis perfusion of a 5-HT1A receptor antagonist in dorsal raphe nucleus change 5-HT levels in sleep and waking. (external link)
• Bjørkum, Alvhild Alette; Portas, CM; Bjorvatn, Bjørn et al. (2000). Dialysis perfusion of a 5-HT1A receptor antagonist in dorsal raphe nucleus increases 5-HT levels in sleep and waking. (external link)
• Skjerve, Arvid; Holsten, F; Aarsland, Dag et al. (2000). Bright light treatment for sleep and behavioural disturbances in severe demetia. (external link)
• Bjorvatn, Bjørn; Holsten, Fred (2000). Praktisk bruk av lysbehandling og ikke-medikamentelle metoder. (external link)
• Bjorvatn, Bjørn (2000). The use of actigraphy in periodic leg movements. A case history. (external link)
• Bjorvatn, Bjørn; Kecklund, G; Åkerstedt, T (2000). Bright light treatment at an oil platform in the North Sea. (external link)
• Sørensen, Eli; Grønli, Janne; Bjorvatn, Bjørn et al. (1999). The effect of a selective 5-HT1A antagonist on waking levels of serotonin in hippocampus in rats. (external link)
• Bjorvatn, Bjørn; Fornal, CA; Martin, FJ et al. (1999). The effect of the 5-HT1A antagonist p-MPPI on dorsal raphe unit activity is dependent on the behavioral state of the animal. (external link)
• Bjorvatn, Bjørn (1999). Non-pharmacological treatment of chronic insomnias. (external link)
• Sørensen, Eli; Bjorvatn, Bjørn; Ursin, Reidun (1998). A dose-response study of the selective 5-HT1A antagonist p-MPPI on sleep-wake stages in the rat. (external link)
• Bjorvatn, Bjørn; Kecklund, G; Åkerstedt, T (1998). Bright light facilitates adaption to night work in the North Sea and readaption to day life. (external link)
• Bjørkum, Alvhild Alette; Portas, CM; Bjorvatn, Bjørn et al. (1998). Perfusion by microdialysis of a 5-HT1A receptor antagonist in dorsal raphe nucleus increases 5-HT levels in sleep and waking. (external link)
• Fornal, CA; Martin, FJ; Mendlin, A et al. (1998). Pindolol increases extracellular serotonin levels in freely moving cats at doses which supress serotonergic neuronal activity. (external link)
• Sørensen, Eli; Bjorvatn, Bjørn; Ursin, Reidun (1998). P-MPPI antagonizes sleep as well as behavioral effects of 8-OH-DPAT in the freely moving rat. (external link)
• Fornal, CA; Martin, FJ; Metzler, CW et al. (1998). Pindolol augmentation of the antidepressant response to SSRIs may not involve antagonism of somatodendritic 5-HT1A autoreceptors. (external link)
• Fornal, CA; Martin, FJ; Mendlin, A et al. (1998). Pindolol increases extracellular serotonin levels in awake cats at doses which suppress serotonergic neuronal activity. (external link)
• Holsten, Fred; Bjorvatn, Bjørn (1997). Phototherapy of Seasonal Affective Disorder in the west of Norway. (external link)
• Portas, CM; Bjorvatn, Bjørn; Fagerland, S et al. (1997). On-line detection of serotonin in DRN over the sleep/wake cycle: A microdialysis study in the freely moving rat. (external link)
• Bjorvatn, Bjørn; Fagerland, S; Eid, T et al. (1996). Sleep/waking effects of 8-OH-DPAT given systemically as well as perfused into the dorsal raphe nucleus in rats. (external link)
• Bjorvatn, Bjørn; Hole, Kjell Jørgen; Ursin, Reidun (1996). Sleep and waking after 8-OH-DPAT given systemically as well as perfused into the dorsal raphe nucleus in rats. (external link)

Website (informational material)

• Bjorvatn, Bjørn (2022). Rastløse bein (revidert). Fagarbeider for Norsk Elektronisk Legehåndbok (NEL), 2022.. (external link)
• Bjorvatn, Bjørn (2022). Forsinket søvnfaselidelse (revidert). Fagarbeider for Norsk Elektronisk . (external link)
• Bjorvatn, Bjørn (2022). Insomni (revidert). Fagarbeider for Norsk Elektronisk Legehåndbok (NEL), 2022.. (external link)

Chapter

• Hunskaar, Steinar; Bjorvatn, Bjørn (2022). 9. Lærebøker og fagbøker. (external link)
• Bjorvatn, Bjørn; Pallesen, Ståle (2019). Søvnsykdommer. (external link)
• Pallesen, Ståle; Bjorvatn, Bjørn (2016). Søvnlidelser.. (external link)
• Bjorvatn, Bjørn (2016). Irregular sleep-wake rhythm disorder. (external link)
• Bjorvatn, Bjørn; Pallesen, Ståle (2014). Søvnsykdommer. (external link)
• Bjorvatn, Bjørn; Gronfier, Claude F (2014). Circadian rhythm sleep disorders. 1. Nosological classification, definitions, epidemiology. (external link)
• Gronfier, Claude F; Bjorvatn, Bjørn (2014). Circadian rhythm sleep disorders. 3. Clinical Picture and diagnosis.. (external link)
• Bjorvatn, Bjørn; Fetveit, Arne (2003). Søvn og søvnforstyrrelser. (external link)
• Bjorvatn, Bjørn (2001). Søvnvansker. (external link)
• Bjorvatn, Bjørn (2001). Søvnvansker. (external link)
• Bjorvatn, Bjørn (2001). Restless legs. (external link)
• Bjorvatn, Bjørn (2001). Leggkramper. (external link)
• Bjorvatn, Bjørn (1996). Søvnvansker. (external link)

Non-fiction book

• Bjorvatn, Bjørn (2021). Bedre søvn - en håndbok for deg som sover dårlig. (external link)
• Bjorvatn, Bjørn (2019). Skiftarbeid og søvn. Slik mestrer du nattarbeid og uregelmessig arbeidstid. . (external link)
• Bjorvatn, Bjørn (2016). Ungdomssøvn. Utredning og behandling av forstyrret døgnrytme og andre søvnlidelser.. (external link)
• Bjorvatn, Bjørn (2013). Bedre Søvn. En håndbok til deg som sover dårlig. 2. utgave. (external link)
• Bjorvatn, Bjørn (2007). Bedre søvn. En håndbok for deg som sover dårlig. (external link)

Academic chapter/article/Conference paper

• Pallesen, Ståle; Bjorvatn, Bjørn (2021). 5. Health risks. . (external link)
• Bjorvatn, Bjørn (2021). Nosological classification, definitions, and epidemiology.. (external link)
• Bjorvatn, Bjørn; Pallesen, Ståle (2021). 3. Clinical picture and diagnosis. . (external link)
• Axelsson, John; Bjorvatn, Bjørn (2021). 2.1. Shift work.. (external link)
• Holsten, Fred; Bjorvatn, Bjørn (2012). Søvnforstyrrelser ved bipolare lidelser. (external link)
• Bjorvatn, Bjørn; Holsten, Fred (2012). Søvnforstyrrelser. (external link)
• Fetveit, Arne; Bjorvatn, Bjørn (2005). Søvnforstyrrelser hos ungdom. (external link)
• Holsten, Fred; Bjorvatn, Bjørn (2004). Søvnvansker. (external link)
• Straand, Jørund; Bjorvatn, Bjørn (2003). Søvn og søvnforstyrrelser. (external link)
• Bjorvatn, Bjørn; Fetveit, Arne (2003). Søvnforstyrrelser hos eldre. (external link)
• Straand, Jørund; Bjorvatn, Bjørn (2003). Søvn og søvnforstyrrelser. (external link)
• Engedal, K; Holsten, F; Hundvadt, L et al. (2001). Psykiske lidelser. (external link)
• Engedal, K; Holsten, F; Hundvadt, L et al. (2001). Legemidler ved psykiske lidelser. (external link)
• Bjorvatn, Bjørn (2000). Ikke-farmakologisk behandling av søvnvansker. (external link)
• Bjorvatn, Bjørn (2000). Søvnvansker ved jet lag, nattarbeid og søvnfaseforstyrrelser. (external link)
• Åkerstedt, T; Kecklund, G; Gillberg, M et al. (1998). Subjective sleepiness in shift work. (external link)

Feature article

• Nilsen, Stein; Bjorvatn, Bjørn; Kristoffersen, Espen Saxhaug (2021). PraksisNett- status etter tre år. (external link)
• Bjorvatn, Bjørn; Kristoffersen, Espen Saxhaug; Halvorsen, Peder Andreas et al. (2019). Ny infrastruktur for allmennmedisinsk forskning. (external link)
• Bjorvatn, Bjørn; Straand, Jørund; Halvorsen, Peder Andreas et al. (2018). PraksisNett - et nettverk av fastlegepraksiser. En storsatsing på forskning i allmennpraksis.. (external link)
• Kristiansen, bjØrn-erik; Brandtzæg, Petter; Bjorvatn, Bjarne et al. (2009). Meningokokkvaksineforsøket 1988-91. (external link)
• Portas, CM; Bjorvatn, Bjørn; Ursin, Reidun (2000). Serotonin and the sleep/wake cycle: Special emphasis on microdialysis studies. (external link)
• Bjorvatn, Bjørn (1999). Intervjuet om søvn. (external link)
• Bjorvatn, Bjørn (1999). Intervjuet om søvn. (external link)
• Bjorvatn, Bjørn (1999). Intervjuet om "å sove på jobben". (external link)
• Bjorvatn, Bjørn (1999). Intervjuet om barns døgnrytmeproblemer. (external link)
• Bjorvatn, Bjørn (1999). Intervjuet om søvnproblemer hos ungdom. (external link)
• Bjorvatn, Bjørn (1999). Intervjuet av NTB om søvn, sendt til en rekke aviser. (external link)
• Bjorvatn, Bjørn (1998). Intervju i Agderposten om snuing av døgnet under OL. (external link)
• Bjorvatn, Bjørn (1998). Intervju i Oppland Arbeiderblad om Bergen Søvnsenter. (external link)
• Bjorvatn, Bjørn (1998). Intervju i Allers om søvnløshet. (external link)
• Bjorvatn, Bjørn (1998). Intervju i BT om vinterdepresjon og lysbehandling. (external link)
• Bjorvatn, Bjørn (1998). Intervju i Aftenposten om jordstråleskjerming. (external link)
• Bjorvatn, Bjørn (1998). Intervju i Dagsavisen om søvn. (external link)
• Bjorvatn, Bjørn (1998). Intervju i VG om snuing av døgnet under OL. (external link)
• Bjorvatn, Bjørn (1998). Intervju i Aftenposten om lysbehandling. (external link)
• Bjorvatn, Bjørn (1998). Intervju i Aftenposten om jet lag. (external link)
• Bjorvatn, Bjørn (1998). Intervju i VG om døgnrytmer. (external link)
• Bjorvatn, Bjørn (1998). Kronikk om søvn - til glede eller plage. (external link)

Short communication

• Vedaa, Øystein; Harris, Anette; Waage, Siri et al. (2020). A longitudinal study on the association between quick returns and occupational accidents. (external link)
• Bjørkum, Alvhild Alette; Pallesen, Ståle; Holsten, Fred et al. (2004). Skiftarbeid og ulykker - relevans for offshoreindustrien. (external link)
• Pallesen, Ståle; Holsten, Fred; Bjørkum, Alvhild Alette et al. (2004). Er søvnvansker ved nattarbeid et problem for offshoreindustrien?. (external link)

Doctoral dissertation

• Blytt, Kjersti Marie; Flo, Elisabeth; Husebø, Bettina et al. (2019). Sleep in Nursing Home Patients: Clinical Assessment and the Effects of Pain Treatment on Sleep. (external link)
• Bjorvatn, Bjørn; Bondevik, Gunnar Tschudi; Eberhard-Gran, Malin et al. (2009). Depression and sleep in the postnatal period : a study in Nepal and Norway. (external link)
• Bjorvatn, Bjørn (1995). Serotonin and the sleep/wake cycle (dr.med.). (external link)

Interview

• Wang, Catharina Elisabeth Arfwedson; Bjorvatn, Bjørn (2019). Vinterdepresjon: Slik gjør du mørketiden lysere. (external link)

Popular scientific article

• Johansson, Anders; Bjorvatn, Bjørn; Saxegaard, Erik et al. (2018). Stor interesse for odontologisk søvnmedisin og søvnapné i Norge. (external link)
• Waage, Siri; Thun, Eirunn; Reknes, Iselin et al. (2015). For få timer mellom vaktene påvirker søvn og helse. (external link)
• Bjorvatn, Bjørn; Flo, Elisabeth; Fiske, Eldbjørg et al. (2013). Ulik forekomst av søvnlidelser mellom fylker og mellom by og land. (external link)
• Bjorvatn, Bjørn; Fiske, Eldbjørg; Grønli, Janne (2012). Interaktiv spørreundersøkelse om søvn på nett. (external link)
• Bjorvatn, Bjørn (2010). Parasomnier - rare ting som skjer i søvne. (external link)
• Pallesen, Ståle; Moen, Bente Elisabeth; Bjorvatn, Bjørn (2010). Søvnmiljøet i Bergen satser på skiftarbeidforskning. (external link)
• Bjorvatn, Bjørn; Grønli, Janne (2007). Nasjonalt Kompetansesenter for Søvnsykdommer. (external link)
• Bjorvatn, Bjørn (1997). Bruk av videokanon i undervisningen. En evaluering. Universitetspedagogisk utviklingsarbeid i Bergen. (external link)

Reader opinion piece

• Engstrøm, Morten; Aarrestad, Sigurd; Eldøen, Guttorm et al. (2018). Nye anbefalinger for objektiv undersøkelse av søvn og søvnforstyrrelser. . (external link)
• Berge, Morten Eirik; Johansson, Anders; Bjorvatn, Bjørn et al. (2014). Oral appliance for sleep apnea. (external link)
• Bjorvatn, Bjørn (2004). Søvnighet ved dødsfall blant bilførere. (external link)

Errata

• Berge, Morten Eirik; Johansson, Anders; Gulati, Shashi et al. (2014). Skinnebehandling mot søvapne. (external link)

Academic anthology/Conference proceedings

• Bjorvatn, Bjørn; Gronfier, Claude F (2014). Circadian rhythm sleep disorders. 1. Nosological classification, definitions, epidemiology.. (external link)

Textbook

• Bjorvatn, Bjørn (2012). Søvnsykdommer. Moderne utredning og behandling. (external link)

Other

• Bjorvatn, Bjørn (2010). Restless legs. (external link)
• Bjorvatn, Bjørn; Holsten, Fred (2007). Søvnvansker. (external link)
• Bjorvatn, Bjørn (2007). Restless legs. (external link)
• Bjorvatn, Bjørn (2007). Leggkramper. (external link)
• Bjorvatn, Bjørn (2001). Restless legs. (external link)
• Bjorvatn, Bjørn (2000). Søvnvansker ved jet lag, nattarbeid og søvnfaseforstyrrelser. (external link)
• Bjorvatn, Bjørn (2000). Ikke-farmakologisk behandling av søvnvansker. (external link)

Encyclopedia article

• Bjorvatn, Bjørn; Holsten, Fred (2010). Søvnvansker. (external link)
• Bjorvatn, Bjørn (2010). Leggkramper. (external link)
• Bjorvatn, Bjørn (2001). Søvn ved depressive lidelser. (external link)

Compendium

• Bjorvatn, Bjørn (2007). Søvn og søvnproblemer. (external link)
• Bjorvatn, Bjørn (2007). Restless legs. (external link)
• Bjorvatn, Bjørn (2007). Behandling av døgnrytmeproblemer hos unge mennesker. (external link)
• Bjorvatn, Bjørn (2007). Søvnproblemer - hvordan skal de behandles?. (external link)

Masters thesis

• Kartveit, Eyvind; Portas, Chiara Maria; Bjorvatn, Bjørn (2005). The Effect of Slow Wave Sleep Deprivation on Memory Acquisition and Consolidation in Humans. (external link)

Report

• Skatvedt, Olav; Riis, Svein; Bjorvatn, Bjørn et al. (2002). Utredning og behandling av søvnrelatert respirasjonsbesvær hos voksne og barn. (external link)
• Bjorvatn, Bjørn (2000). Søvnproblemer. (external link)
• Bjorvatn, Bjørn (2000). Søvnproblemer. (external link)

Programme participation

• Bjorvatn, Bjørn (1999). Om søvn. (external link)
• Bjorvatn, Bjørn (1998). Intervju i Radio 1 Nord om døgnrytmer. (external link)
• Bjorvatn, Bjørn (1998). Intervju i P4 om hvorfor vi sover forskjellig antall timer. (external link)

See a complete overview of publications in Cristin.

See publications listed in CRIStin

Shift work, sleep and health

Chronic insomnia

Circadian rhythm sleep-wake disorders

Obstructive sleep apnea

Parasomnias

Sleep health