• Habitual Sleep, Social Jetlag, and Reaction Time in Youths With Delayed Sleep–Wake Phase Disorder. A Case–Control Study 

      Saxvig, Ingvild W.; Wilhelmsen-Langeland, Ane; Pallesen, Ståle; Nordhus, Inger Hilde; Vedaa, Øystein; Bjorvatn, Bjørn (Journal article; Peer reviewed, 2019)
      The aim of this study was to explore habitual sleep, social jetlag, and day-to-day variations in sleep (measured as intra-individual standard deviation, ISD) in youths with delayed sleep–wake phase disorder (DSWPD), compared ...
    • Patients with delayed sleep-wake phase disorder show poorer executive functions compared to good sleepers 

      Wilhelmsen-Langeland, Ane; Saxvig, Ingvild W.; Johnsen, Emma Hole; Marszalek, Maja Anna; Andersen, Maria Isolde Wiig; Sætre, Vild Katrine; Lundervold, Astri; Vedaa, Øystein; Nordhus, Inger Hilde; Pallesen, Ståle; Bjorvatn, Bjørn (Journal article; Peer reviewed, 2019)
      Objective Delayed Sleep-Wake Phase Disorder (DSWPD) is associated with negative outcomes, including reduced daytime performance and difficulties with treatment adherence. These outcomes are mediated by executive functions ...
    • 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 ...