Western-Norway Longitudinal Sleep Study (WALOSS)
The aim of this longitudinal study is to explore sleep in Norwegian high school students, as well as the associations between school start times, sleep, daytime functioning and mental health.
About the research project
Data was collected in three waves (2019, 2020 and 2021), in collaboration with Hordaland/Vestland and Rogaland county administrations.
Collaborating partners
Publications
Articles
2021
Saxvig IW, Bjorvatn B, Hysing M, Sivertsen B, Gradisar M, Pallesen S. Sleep in older adolescents. Results from a large cross-sectional, population-based study. Journal of Sleep Research, 2021; 30: e13263. PMID: 33350033
Saxvig IW, Evanger LN, Pallesen S, Hysing M, Sivertsen B, Gradisar M, Bjorvatn B. Circadian typology and implications for adolescent sleep health. Results from a large, cross-sectional, school-based study. Sleep Med, 2021; 83: 63-70. PMID: 33990068
Saxvig IW, Pallesen S, Sivertsen B, Hysing M, Evanger LN, Bjorvatn B. Sleep during COVID-19-related school lockdown, a longitudinal study among high school students. J Sleep Res, 2021; e13499. PMID: 34601775
2023
Evanger LN, Bjorvatn B, Pallesen S, Hysing M, Sivertsen B, Saxvig IW. 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. J Sleep Res, 2023; e13840. PMID: 36864696
People
Project manager
Ståle Pallesen Project leader
Ingvild West Saxvig Project leader
Project members
Bjørn Bjorvatn Project group member
Mari Hysing Project group member
Børge Sivertsen Project group member
Linn Nyjordet Evanger PhD Candidate