Now showing items 1-11 of 11

  • Can insomnia in pregnancy predict postpartum depression? A longitudinal, population-based study 

    Dørheim, Signe Karen; Bjorvatn, Bjørn; Eberhard-Gran, Malin (PLoS, 2014-04-14)
    Background: Insomnia and depression are strongly interrelated. This study aimed to describe changes in sleep across childbirth, and to evaluate whether insomnia in pregnancy is a predictor of postpartum depression. Methods: ...
  • Clinical Significance of Periodic Limb Movement Disorder (PLMD) in Insomnia Patients 

    Sivertsen, Børge; Omvik, Siri; Straume, Sivert; Pallesen, Ståle; Bjorvatn, Bjørn; Havik, Odd E. (Bentham Open, 2008)
  • Early and Later Life Stress Alter Brain Activity and Sleep in Rats 

    Mrdalj, Jelena; Pallesen, Ståle; Milde, Anne Marita; Jellestad, Finn Konow; Murison, Robert; Ursin, Reidun; Bjorvatn, Bjørn; Grønli, Janne (Public Library of Science, 2013-07-26)
    Exposure to early life stress may profoundly influence the developing brain in lasting ways. Neuropsychiatric disorders associated with early life adversity may involve neural changes reflected in EEG power as a measure ...
  • Increased Health Risk in Subjects with High Self-Reported Seasonality 

    Øyane, Nicolas Melchior Frederic; Ursin, Reidun; Pallesen, Ståle; Holsten, Fred; Bjorvatn, Bjørn (Public Library of Science, 2010-03-03)
    Background: Seasonal variations in mood and behaviour, termed seasonality, are commonly reported in the general population. As a part of a large cross-sectional health survey in Hordaland, Norway, we investigated the ...
  • 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 (BioMed Central, 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 ...
  • Personality factors predict sleep-related shift work tolerance in different shifts at 2-year follow-up: a prospective study 

    Storemark, Sunniva Straume; Fossum, Ingrid Nesdal; Bjorvatn, Bjørn; Moen, Bente Elisabeth; Flo, Elisabeth; Pallesen, Ståle (BMJ, 2013-11-04)
    Objectives: The aim of the present study was to investigate whether the personality variables morningness, flexibility, languidity and hardiness could predict sleep-related shift work tolerance for the day, evening and ...
  • Poor Sleep in Patients with Multiple Sclerosis 

    Lunde, Hanne Marie Bøe; Aae, Tommy F.; Indrevåg, William; Aarseth, Jan Harald; Bjorvatn, Bjørn; Myhr, Kjell-Morten; Bø, Lars (Public Library of Science, 2012-11-14)
    Background: Poor sleep is a frequent symptom in patients with multiple sclerosis (MS). Sleep may be influenced by MS-related symptoms and adverse effects from immunotherapy and symptomatic medications. We aimed to study ...
  • Psychosocial Challenges Related to Delayed Sleep Phase Disorder 

    Wilhelmsen-Langeland, Ane; Dundas, Ingrid; Saxvig, Ingvild West; Pallesen, Ståle; Nordhus, Inger Hilde; Bjorvatn, Bjørn (Bentham Open, 2012)
    Delayed sleep phase disorder (DSPD) is a disorder where the circadian rhythm is delayed according to the conventional norms, often resulting in school- and work related difficulties as well as emotional challenges. Research ...
  • A randomized controlled trial with bright light and melatonin for treatment of delayed sleep phase disorder. Effects on subjective and objective sleepiness and cognitive function. 

    Wilhelmsen-Langeland, Ane; Saxvig, Ingvild West; Pallesen, Ståle; Nordhus, Inger Hilde; Vedaa, Øystein; Lundervold, Astri Johansen; Bjorvatn, Bjørn (SAGE Publications, 2013-10)
    Delayed sleep phase disorder (DSPD) is a circadian rhythm sleep disorder. Patients with DSPD have problems initiating sleep if they go to bed at a conventional time and they often have problems waking at desired times. ...
  • Shift Work Disorder in Nurses – Assessment, Prevalence and Related Health Problems 

    Flo, Elisabeth; Pallesen, Ståle; Magerøy, Nils; Moen, Bente E.; Grønli, Janne; Nordhus, Inger Hilde; Bjorvatn, Bjørn (Public Library of Science, 2012-04-02)
    Background: This study investigates the prevalence of symptoms of shift work disorder in a sample of nurses, and its association to individual, health and work variables. Methodology/Principal Findings: We investigated ...
  • Sleep disturbances in an arctic population: The Tromsø Study 

    Fetveit, Arne; Straand, Jørund; Bjorvatn, Bjørn (BioMed Central, 2008-05-29)
    Background Prevalence estimates for insomnia range from 10 to 50% in the adult general population. Sleep disturbances cause great impairment in quality of life, which might even rival or exceed the impairment in other ...