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.
Main content
Data was collected in three waves (2019, 2020 and 2021), in collaboration with Hordaland/Vestland and Rogaland county administrations.
The study has so far resulted in four publications:
- 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
- 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
23.01.2024