• Midlife insomnia and subsequent mortality: the Hordaland health study 

      Sivertsen, Børge; Pallesen, Ståle; Glozier, Nick; Bjorvatn, Bjørn; Salo, Paula; Tell, Grethe Seppola; Ursin, Reidun; Øverland, Simon (Peer reviewed; Journal article, 2014-07-15)
      Background: Previous research suggests a possible link between insomnia and mortality, but findings are mixed and well-controlled studies are lacking. The aim of the current study was to examine the effect of insomnia in ...