Browsing NTNU Open by Author "Gradisar, Michael"
Now showing items 1-4 of 4
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Circadian typology and implications for adolescent sleep health. Results from a large, cross-sectional, school-based study
Saxvig, Ingvild West; Evanger, Linn Nyjordet; Pallesen, Ståle; Hysing, Mari; Sivertsen, Børge; Gradisar, Michael; Bjorvatn, Bjørn (Peer reviewed; Journal article, 2021)Study objectives To investigate circadian typology in a large, representative sample of Norwegian adolescents, and its implications for sleep health. Methods The sample included 3920 1st year high school students aged ... -
Cognitive performance in DSWPD patients upon awakening from habitual sleep compared with forced conventional sleep
Solheim, Brandy; Olsen, Alexander; Kallestad, Håvard; Langsrud, Knut; Bjorvatn, Bjørn; Gradisar, Michael; Sand, Trond (Journal article; Peer reviewed, 2018)Difficult early morning awakening is one of the defining symptoms of delayed sleep–wake phase disorder. It is accompanied by low cognitive arousal and drowsiness resulting in difficulty concentrating and focusing attention ... -
Delayed sleep–wake phase disorder in young adults: prevalence and correlates from a national survey of Norwegian university students
Sivertsen, Børge; Harvey, Allison G.; Gradisar, Michael; Pallesen, Ståle; Hysing, Mari (Peer reviewed; Journal article, 2020)Background Delayed sleep–wake phase disorder (DSWPD) during adolescence has been linked to impaired health and poor functioning. However there is a dearth of knowledge about DSWPD in young adulthood. We seek to contribute ... -
Sleep in older adolescents. Results from a large cross-sectional, population-based study
Saxvig, Ingvild W.; Bjorvatn, Bjørn; Hysing, Mari; Sivertsen, Børge; Gradisar, Michael; Pallesen, Ståle (Peer reviewed; Journal article, 2020)The aim of the present study was to describe sleep patterns in a large and representative sample of Norwegian adolescents. The sample included 4,010 first‐year high school students, aged 16–17 years (54% female), who ...