Sökning: "delayed sleep phase disorder"

Hittade 2 avhandlingar innehållade orden delayed sleep phase disorder.

  1. 1. Delayed Sleep Phase Disorder : Prevalence, Diagnostic aspects, Associated factors and Treatment concepts

    Författare :Katarina Danielsson; Agneta Markström; Broman Jan-Erik; Markus Jansson-Fröjmark; Lars von Knorring; Pallesen Ståle; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; delayed sleep phase disorder; prevalence; diagnostic aspects; associated factors; light therapy and cognitive behavior therapy;

    Sammanfattning : Delayed sleep phase disorder (DSPD) is the most common circadian rhythm sleep disorder. Persons with DSPD have great difficulties falling asleep and waking up at conventional times. To diagnose DSPD this delayed sleep-wake rhythm should cause social impairment and distress for the individual. LÄS MER

  3. 2. Genetic and experimental studies of seasonal affective disorder and related phenotypes

    Författare :Carolina Johansson; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Seasonal affective disorder (SAD) is a subtype of recurrent depressive or bipolar disorder, in which episodes reoccur and remit during a particular season each year. A genetic component in vulnerability to winter SAD has been suggested, and the goal of this thesis was to increase the understanding of SAD and seasonal variations in mood, by obtaining self-report assessments of related traits, examining genetic variations in genes hypothesised to influence the phenotypes in question, and to investigate effects of different photoperiods and stress in an animal model. LÄS MER