• Effect of dietary nitrate supplementation on sleep in chronic obstructive pulmonary disease patients 

      Wisor, Jonathan P.; Holmedahl, Nils Henrik; Saxvig, Ingvild West; Fjeldstad, Odd-Magne; Weitzberg, Eddie; Grønli, Janne; Engan, Harald Kåre (Journal article; Peer reviewed, 2021)
      Purpose: Poor sleep quality in chronic obstructive pulmonary disease (COPD) is a result of oxygen desaturation secondary to compromised lung function. Nitrate supplementation with dietary beetroot juice is known to elevate ...
    • How our Dreams Changed During the COVID-19 Pandemic: Effects and Correlates of Dream Recall Frequency - a Multinational Study on 19,355 Adults 

      Fränkl, Eirin; Scarpelli, Serena; Nadorff, Michael R.; Bjorvatn, Bjørn; Bolstad, Courtney J.; Chan, Ngan Yin; Chung, Frances; Dauvilliers, Yves; Espie, Colin A.; Inoue, Yuichi; Leger, Damien; Macedo, Taina; Matsui, Kentaro; Merikanto, Ilona; Morin, Charles M.; Mota-Rolim, Sérgio Arthuro; Partinen, Markku; Penzel, Thomas; Plazzi, Giuseppe; Sieminski, Mariusz; Wing, Yun Kwok; Gennaro, Luigi De; Holzinger, Brigitte (Journal article; Peer reviewed, 2021)
      Objective: Many have reported odd dreams during the pandemic. Given that dreams are associated with mental health, understanding these changes could provide crucial information about wellbeing during the pandemic. This ...
    • Persistent Short Sleep from Childhood to Adolescence: Child, Parent and Peer Predictors 

      Ranum, Bror; Wichstrøm, Lars; Pallesen, Ståle; Falch-Madsen, Jonas; Steinsbekk, Silje (Journal article; Peer reviewed, 2021)
      Purpose: Many children have periods when they sleep too little, with widely recognized detrimental effects. Less is known about persistent short sleep during childhood. Therefore, the present study aimed to investigate the ...
    • Social Jetlag Changes During the COVID-19 Pandemic as a Predictor of Insomnia – A MultiNational Survey Study 

      Brandão, Luiz Eduardo Mateus; Martikainen, Teemu; Merikanto, Ilona; Holzinger, Brigitte; Morin, Charles M.; Espie, Colin A.; Bolstad, Courtney J.; Leger, Damien; Chung, Frances; Plazzi, Giuseppe; Dauvilliers, Yves; Matsui, Kentaro; De Gennaro, Luigi; Sieminski, Mariusz; Nadorff, Michael R.; Chan, Ngan Yin; Wing, Yun Kwok; Mota-Rolim, Sérgio Arthuro; Inoue, Yuichi; Partinen, Markku; Benedict, Christian; Bjorvatn, Bjørn; Cedernaes, Jonathan (Journal article; Peer reviewed, 2021)
      Purpose: Lifestyle and work habits have been drastically altered by restrictions due to the COVID-19 pandemic. Whether the associated changes in sleep timing modulate the risk of suffering from symptoms of insomnia, the ...