• Evening light environments can be designed to consolidate and increase the duration of REM-sleep 

      Vethe, Daniel; Drews, Henning Johannes; Scott, Janine Linda; Engstrøm, Morten; Heglum, Hanne Siri Amdahl; Grønli, Janne; Wisor, J.P.; Sand, Trond; Lydersen, Stian; Kjørstad, Kaia; Faaland, Patrick; Vestergaard, Cecilie Lund; Langsrud, Knut; Kallestad, Håvard (Journal article; Peer reviewed, 2022)
      Evening exposure to short-wavelength light has disruptive effects on circadian rhythms and sleep. These effects can be mitigated by blocking short-wavelength (blue) frequencies, which has led to the development of evening ...
    • A pilot study of impulse radio ultra wideband radar technology as a new tool for sleep assessment 

      Pallesen, Ståle; Grønli, Janne; Myhre, Kenneth; Moen, Frode; Bjorvatn, Bjørn; Hanssen, Ingar; Heglum, Hanne Siri Amdahl (Peer reviewed; Journal article, 2018)
      Study Objectives To validate Impulse radio ultra wideband pulse-doppler radar technology against polysomnography (PSG) for sleep assessment. Methods In all, 12 participants were recruited and their overnight sleep was ...