Øystein Vedaa
Position
Researcher
Publications
Poster
- Vestergaard, Cecilie Lund; Vedaa, Øystein; Sivertsen, Børge et al. (2024). Intra-individual variability in sleep patterns 2 years after digital CBT-I . (external link)
- 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)
- Djupedal, Ingebjørg Louise Rockwell; Harris, Anette ; Svensen, Erling et al. (2023). 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)
- 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)
- 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)
- Aasan, Bodil Elisabeth Valstad; Sivertsen, Børge; Djupedal, Ingebjørg Louise Rockwell et al. (2022). Social jetlag, health and life satisfaction: Large scale study on students. (external link)
- Vedaa, Øystein; Hagatun, Susanne; Kallestad, Håvard et al. (2016). 18-month follow-up effects of online CBTi. (external link)
Abstract
- Aarø, Leif Edvard; Nilsen, Thomas Sevenius; Knapstad, Marit et al. (2024). The Norwegian Counties Public Health Survey (NCPHS). (external link)
- 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)
- Kallestad, Håvard; Langsrud, Knut; Vedaa, Øystein et al. (2018). A randomized noninferiority trial comparing Cognitive Behavior Therapy for Insomnia (CBT-I) delivered by a therapist or via a fully automated online treatment program. (external link)
- Saxvig, Ingvild W.; Wilhelmsen-Langeland, Ane; Pallesen, Ståle et al. (2012). Polysomnographic measures of sleep in adolescents and young adults with delayed sleep phase disorder and healthy controls on a self-chosen sleep schedule. (external link)
Lecture
- Kysnes, Bjarte Birkeland; Vedaa, Øystein (2024). Arbeidstidsordninger og helse. (external link)
- Vedaa, Øystein; Kysnes, Bjarte Birkeland (2024). Forskning på arbeidstid i helsesektoren… og Healthcare Workers Well-Being and Safety (WeBeSafe) -prosjektet. (external link)
- Vedaa, Øystein (2023). Betydning av hviletid i turnusarbeid. (external link)
Academic article
- Vestergaard, Cecilie L.; Skogen, Jens C.; Hysing, Mari et al. (2024). Sleep duration and mental health in young adults. (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)
- Aarø, Leif Edvard; Knapstad, Marit; Nilsen, Thomas Sevenius et al. (2024). The Norwegian Counties Public Health Survey (NCPHS): a design study. (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)
- Skoglund, Helene; Sivertsen, Børge; Kallestad, Håvard et al. (2024). Digital cognitive behavioral therapy for insomnia for people with comorbid psychological distress: A large scale randomized controlled trial. (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)
- Skarpsno, Eivind Schjelderup; Hofmo, Jonas Grevle; Hrozanova, Maria et al. (2024). Effectiveness of digital Cognitive-Behavioural Therapy for Insomnia in patients with musculoskeletal complaints and insomnia in primary care physiotherapy: study protocol for a randomised controlled trial. (external link)
- Faaland, Patrick; Vedaa, Øystein; Langsrud, Knut et al. (2023). Dysfunctional beliefs and attitudes about sleep (DBAS) mediate outcomes in dCBT-I on psychological distress, fatigue, and insomnia severity. (external link)
- Forster, Grace Katharine; Aarø, Leif Edvard; Alme, Maria Nordheim et al. (2023). Built Environment Accessibility and Disability as Predictors of Well-Being among Older Adults: A Norwegian Cross-Sectional Study. (external link)
- Erevik, Eilin K.; Vedaa, Øystein; Pallesen, Ståle et al. (2023). The five-factor model's personality traits and social and emotional loneliness: Two large-scale studies among Norwegian students. (external link)
- Sheikh, Naima Said; Askeland Winje, Brita; Gleditsch, Rebecca Nybru et al. (2023). Vaksineusikkerhet blant innvandrere under covid-19-pandemien – en kvalitativ studie. (external link)
- Ramfjord, Lina Stålesen; Faaland, Patrick Michael Palmelund; Scott, Janine Linda et al. (2023). Digital cognitive behaviour therapy for insomnia in individuals with self-reported insomnia and chronic fatigue: A secondary analysis of a large scale randomized controlled trial. (external link)
- Aarø, Leif Edvard; Leino, Tony Mathias; Vedaa, Øystein et al. (2023). Behavioural precautions to avoid transmission of the COVID-19 virus – low educated groups are not always lagging behind. (external link)
- Schønning, Viktor; Hysing, Mari; Dovran, Anders et al. (2023). Sleep and childhood maltreatment: A matched-control study of sleep characteristics in Norwegian 16–19-year-olds. (external link)
- Aarø, Leif Edvard; Ohm, Eyvind; Skogen, Jens Christoffer et al. (2023). A cross-sectional study of the relationship between injuries and quality of life, psychological distress, sleeping problems, and global subjective health in adults from three Norwegian counties. (external link)
- Vedaa, Øystein; Djupedal, Ingebjørg Louise Rockwell; Svensen, Erling et al. (2022). Health-promoting work schedules: protocol for a large-scale cluster randomised controlled trial on the effects of a work schedule without quick returns on sickness absence among healthcare workers. (external link)
- Faaland, Patrick; Vedaa, Øystein; Langsrud, Knut et al. (2022). Digital cognitive behaviour therapy for insomnia (dCBT-I): Chronotype moderation on intervention outcomes. (external link)
- Nes, Ragnhild Bang; Yu, Baeksan; Hansen, Thomas et al. (2022). Flattening the quality of life curve? A prospective person-centred study from Norway amid COVID-19. (external link)
- Scott, Janine Linda; Vedaa, Øystein; Sivertsen, Børge et al. (2022). Using network intervention analysis to explore associations between participant expectations of and difficulties with cognitive behavioural therapy for insomnia and clinical outcome: A proof of principle 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)
- Kjørstad, Kaia; Sivertsen, Børge; Vedaa, Øystein et al. (2022). The effects of digital CBT-I on work productivity and activity levels and the mediational role of insomnia symptoms: Data from a randomized controlled trial with 6-month follow-up. (external link)
- Kour, Prabhjot; Gele, Abdi; Aambø, Arild Kjell et al. (2022). Lowering COVID-19 vaccine hesitancy among immigrants in Norway: Opinions and suggestions by immigrants. (external link)
- Kjørstad, Kaia; Vedaa, Øystein; Pallesen, Ståle et al. (2022). Circadian preference in young adults: Associations with sleep and mental health outcomes from a national survey of Norwegian university students. (external link)
- Kjørstad, Kaia; Faaland, Patrick; Sivertsen, Børge et al. (2022). Sleep and work functioning in nurses undertaking inpatient shifts in a blue-depleted light environment. (external link)
- Aarø, Leif Edvard; Veneti, Lamprini; Vedaa, Øystein et al. (2022). Visiting crowded places during the COVID-19 pandemic. A panel study among adult Norwegians. (external link)
- Waage, Siri; Pallesen, Ståle; Moen, Bente Elisabeth et al. (2021). Changes in work schedule affect the prevalence of shift work disorder among Norwegian nurses–a two year follow-up study. (external link)
- Waage, Siri; Pallesen, Ståle; Vedaa, Øystein et al. (2021). Sleep patterns among Norwegian nurses between the first and second wave of the COVID-19 pandemic. (external link)
- Schønning, Viktor; Dovran, Anders; Hysing, Mari et al. (2021). Study protocol: the Norwegian Triple-S Cohort Study - establishing a longitudinal health survey of children and adolescents with experiences of maltreatment. (external link)
- Hansen, Thomas; Nilsen, Thomas Sevenius; Knapstad, Marit et al. (2021). Covid-fatigued? A longitudinal study of Norwegian older adults’ psychosocial well-being before and during early and later stages of the COVID-19 pandemic. (external link)
- Pallesen, Ståle; Thun, Eirunn; Waage, Siri et al. (2021). Stability and Change of the Personality Traits Languidity and Flexibility in a Sample of Nurses: A 7–8 Years Follow-Up Study. (external link)
- Kallestad, Håvard; Scott, Janine Linda; Vedaa, Øystein et al. (2021). Mode of delivery of Cognitive Behavioral Therapy for Insomnia: a randomized controlled non-inferiority trial of digital and face-to-face therapy. (external link)
- Mæland, Silje; Bjørknes, Ragnhild; Lehmann, Stine et al. (2021). How the Norwegian population was affected by non-pharmaceutical interventions during the first six weeks of the COVID-19 lockdown. (external link)
- Vestergaard, Cecilie Lund; Vedaa, Øystein; Simpson, Melanie Rae et al. (2021). The effect of sleep-wake intraindividual variability in digital cognitive behavioral therapy for insomnia: a mediation analysis of a large-scale RCT. (external link)
- Hansen, Thomas; Nilsen, Thomas Sevenius; Yu, Baeksan et al. (2021). Locked and lonely? A longitudinal assessment of loneliness before and during the COVID-19 pandemic in Norway. (external link)
- Bredeli, Einar Rørstad; Vestergaard, Cecilie Lund; Sivertsen, Børge et al. (2021). Intraindividual variability in sleep among people with insomnia and its relationship with sleep, health and lifestyle factors: an exploratory study. (external link)
- Kallestad, Håvard; Saksvik, Simen Berg; Vedaa, Øystein et al. (2021). Digital cognitive-behavioural therapy for insomnia compared with digital patient education about insomnia in individuals referred to secondary mental health services in Norway: Protocol for a multicentre randomised controlled trial. (external link)
- Erevik, Eilin K.; Pallesen, Ståle; Vedaa, Øystein et al. (2020). General and alcohol-related social media use and mental health: A large-sample longitudinal study. (external link)
- Thun, Eirunn; Waage, Siri; Bjorvatn, Bjørn et al. (2020). Short sleep duration and high exposure to quick returns are associated with impaired everyday memory in shift workers. (external link)
- Sivertsen, Børge; Friborg, Oddgeir; Pallesen, Ståle et al. (2020). Sleep in the land of the midnight sun and polar night: The Tromsø study. (external link)
- Kjørstad, Kaia; Sivertsen, Børge; Vedaa, Øystein et al. (2020). The Effect of Reducing Insomnia Severity on Work- and Activity-Related Impairment. (external link)
- Erevik, Eilin K.; Pallesen, Ståle; Mohn, Mette et al. (2020). The Norwegian remote intervention program for problem gambling: Short- and long-term outcomes. (external link)
- Erevik, Eilin K.; Kristensen, Joakim Hellumbråten; Torsheim, Torbjørn et al. (2020). Tinder use and romantic relationship formations: A large-scale longitudinal study. (external link)
- Vedaa, Øystein; Kallestad, Håvard; Scott, Janine Linda et al. (2020). Effects of digital cognitive behavioural therapy for insomnia on insomnia severity: a large-scale randomised controlled trial. (external link)
- Hysing, Mari; Harvey, Allison G.; Bøe, Tormod et al. (2020). Trajectories of sleep problems from adolescence to adulthood. Linking two population-based studies from Norway. (external link)
- Bjorvatn, Bjørn; Axelsson, John; Pallesen, Ståle et al. (2020). The association between shift work and immunological biomarkers in nurses. (external link)
- Erevik, Eilin K.; Torsheim, Torbjørn; Vedaa, Øystein et al. (2020). Demographical, personality, alcohol use, and mental health characteristics associated with different alcoholic beverage preferences among students. (external link)
- Vedaa, Øystein; Harris, Anette; Erevik, Eilin K. et al. (2019). Short rest between shifts (quick returns) and night work is associated with work-related accidents. (external link)
- Wilhelmsen-Langeland, Ane; Saxvig, Ingvild W.; Johnsen, Emma Hole et al. (2019). Patients with delayed sleep-wake phase disorder show poorer executive functions compared to good sleepers. (external link)
- Vedaa, Øystein; Erevik, Eilin K.; Hysing, Mari et al. (2019). Insomnia, sleep duration and academic performance: A national survey of Norwegian college and university students. (external link)
- Garde, Anne helene; Harris, Anette; Vedaa, Øystein et al. (2019). Working hour characteristics and schedules among nurses in three Nordic countries – a comparative study using payroll data. (external link)
- Erevik, Eilin K.; Pallesen, Ståle; Andreassen, Cecilie Schou et al. (2019). Demographics, personality and substance-use characteristics associated with forming romantic relationships. (external link)
- Lien, Mats; Bredeli, Einar Rørstad; Sivertsen, Børge et al. (2019). Short and long-term effects of unguided internet-based cognitive behavioral therapy for chronic insomnia in morning and evening persons: a post-hoc analysis. (external link)
- Vedaa, Øystein; Hagatun, Susanne; Kallestad, Håvard et al. (2019). Long-Term Effects of an Unguided Online Cognitive Behavioral Therapy for Chronic Insomnia. (external link)
- Erevik, Eilin K.; Torsheim, Torbjørn; Andreassen, Cecilie Schou et al. (2019). The associations between low-level gaming, high-level gaming and problematic alcohol use. (external link)
- Saxvig, Ingvild W.; Wilhelmsen-Langeland, Ane; Pallesen, Ståle et al. (2019). Habitual sleep, social jetlag, and reaction time in youths with delayed sleep–wake phase disorder. A case–control study. (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)
- Erevik, Eilin K.; Pallesen, Ståle; Andreassen, Cecilie Schou et al. (2018). Who is watching user-generated alcohol posts on social media?. (external link)
- Sivertsen, Børge; Vedaa, Øystein; Harvey, Allison G. et al. (2018). Sleep patterns and insomnia in young adults: a national survey of Norwegian university students. (external link)
- Kallestad, Håvard; Vedaa, Øystein; Scott, Janine Linda et al. (2018). Overcoming insomnia: Protocol for a large-scale randomised controlled trial of online cognitive behaviour therapy for insomnia compared with online patient education about sleep. (external link)
- Erevik, Eilin K.; Pallesen, Ståle; Vedaa, Øystein et al. (2018). "Freshman's week": Characteristics associated with participation and experiencing adverse effects. (external link)
- Hagatun, Susanne; Vedaa, Øystein; Harvey, Allison G. et al. (2018). Internet-delivered cognitive-behavioral therapy for insomnia and comorbid symptoms. (external link)
- Erevik, Eilin K.; Torsheim, Torbjørn; Andreassen, Cecilie Schou et al. (2017). Recurrent cannabis use among Norwegian students: Prevalence, characteristics, and polysubstance use. (external link)
- Hayley, Amie C.; Sivertsen, Børge; Hysing, Mari et al. (2017). Sleep difficulties and academic performance in Norwegian higher education students. (external link)
- Erevik, Eilin K.; Torsheim, Torbjørn; Vedaa, Øystein et al. (2017). Sharing of alcohol-related content on social networking sites: Frequency, content, and correlates. (external link)
- Erevik, Eilin K.; Pallesen, Ståle; Vedaa, Øystein et al. (2017). Alcohol use among Norwegian students: Demographics, personality and psychological health correlates of drinking patterns. (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)
- Erevik, Eilin K.; Torsheim, Torbjørn; Vedaa, Øystein et al. (2017). Alcohol use among business students: Demographic, personality, and social correlates of increased consumption. (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)
- Erevik, Eilin K.; Torsheim, Torbjørn; Andreassen, Cecilie Schou et al. (2017). Disclosure and exposure of alcohol on social media and later alcohol use: A large-scale longitudinal study. (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)
- 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)
- 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)
- 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)
- Wilhelmsen-Langeland, Ane; Saxvig, Ingvild W.; Pallesen, Ståle et al. (2013). The Personality Profile of Young Adults With Delayed Sleep Phase Disorder. (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)
- 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)
- Vedaa, Øystein; Saxvig, Ingvild W.; Wilhelmsen-Langeland, Ane et al. (2012). School start time, sleepiness and functioning in Norwegian adolescents. (external link)
Academic lecture
- Vestergaard, Cecilie Lund; Vedaa, Øystein; Kallestad, Håvard (2023). Sleep schedule variability moderates outcome trajectories the initial two years after digital cognitive behavioral therapy for insomnia. (external link)
- Vedaa, Øystein (2023). Effects of a work schedule with reduced quick returns on sickness absence among healthcare workers: A large-scale cluster randomized controlled trial. (external link)
- Nes, Ragnhild Bang; Yu, Baeksan; Hansen, Thomas et al. (2022). Flattening the Quality of Life Curve: A Person-Centered Study from Norway amid Covid-19. . (external link)
- Erevik, Eilin K.; Torsheim, Torbjørn; Andreassen, Cecilie Schou et al. (2018). The association between gaming and hazardous alcohol use. (external link)
- Bredeli, Einar Rørstad; Lien, Mats; Sivertsen, Børge et al. (2016). Chronic insomnia in morningness and eveningness individuals, and short and long term effects of online cognitive behavioural therapy . (external link)
Article in business/trade/industry journal
- Bjorvatn, Bjørn; Kallestad, Håvard; Langsrud, Knut et al. (2023). Nasjonal anbefaling for utredning og behandling av døgnrytmelidelser. (external link)
- Bjorvatn, Bjørn; Waage, Siri; Djupedal, Ingebjørg Louise Rockwell et al. (2023). Hva sier vitenskapen om sykepleierens helse? Her er en oppsummering. . (external link)
Academic literature review
- 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)
- Scott, Jan; Kallestad, Håvard; Vedaa, Øystein et al. (2021). Sleep disturbances and first onset of major mental disorders in adolescence and early adulthood: A systematic review and meta-analysis. (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)
Report
- Leino, Tony Mathias; Aarø, Leif Edvard; Knapstad, Marit et al. (2022). Opplevd tiltaksbyrde under koronapandemien: Resultater fra fire fylker desember 2021.. (external link)
- Bergsaker, Marianne A Riise; Bratsberg, Bernt; Daae, Anita Odveig et al. (2021). Folkehelserapportens temautgave 2021. Folkehelsen etter covid-19. Pandemiens konsekvenser for ulike grupper i befolkningen. (external link)
- Skogen, Jens Christoffer; Nilsen, Thomas Sevenius; Aasan, Bodil Elisabeth Valstad et al. (2020). Fylkeshelseundersøkelsen i Nordland: Fremgangsmåte og utvalgte resultater. (external link)
- Skogen, Jens Christoffer; Vedaa, Øystein; Nilsen, Thomas Sevenius et al. (2020). Folkehelseundersøkelsen i Agder: Fremgangsmåte og utvalgte resultater. (external link)
- Skogen, Jens Christoffer; Nilsen, Thomas Sevenius; Hjetland, Gunnhild Johnsen et al. (2020). Folkehelseundersøkelsen i Rogaland 2020: Fremgangsmåte og utvalgte resultater. (external link)
- Skogen, Jens Christoffer; Vedaa, Øystein; Nilsen, Thomas Sevenius et al. (2019). Folkehelseundersøkelsen i Troms og Finnmark: Fremgangsmåte og utvalgte resultater. (external link)
- Larsen, A.D; Albrecht, S; Hansen, J et al. (2015). Co-ordination of research on working hours and health in the Nordic countries. (external link)
Popular scientific article
Short communication
Feature article
Doctoral dissertation
Reader opinion piece
Interview
- Vedaa, Øystein (2014). Sju ting de som sover godt gjør riktig. (external link)
- Vedaa, Øystein (2013). Intervju i NRK hordaland. (external link)
- Vedaa, Øystein (2013). Internettbehandling mot søvnløshet. (external link)
- Vedaa, Øystein (2013). Fra natteravn til morgenmenneske. (external link)
- Vedaa, Øystein (2013). A- og B-mennesker kan endre seg. (external link)
- Vedaa, Øystein (2013). A- og B-menneskerDu kan bli et A-menneske. (external link)