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Winter is coming: nightmares and sleep problems during seasonal affective disorder
Genomics and Biomarkers Unit, National Institute for Health and Welfare, Helsinki, Finland / Department of Psychology and Speech Language Pathology, Centre for Cognitive Neuroscience, Turku Brain and Mind Centre, University of Turku, Turku, Finland.
Department of Health, National Institute for Health and Welfare, Helsinki, Finland / Department of Biosciences, University of Helsinki, Helsinki, Finland.
Department of Psychology and Speech Language Pathology, Centre for Cognitive Neuroscience, Turku Brain and Mind Centre, University of Turku, Turku, Finland.
Högskolan i Skövde, Institutionen för biovetenskap. Högskolan i Skövde, Forskningscentrum för Systembiologi. Department of Psychology and Speech Language Pathology, Centre for Cognitive Neuroscience, Turku Brain and Mind Centre, University of Turku, Turku, Finland. (Kognitiv neurovetenskap och filosofi, Consciousness and Cognitive Neuroscience)ORCID-id: 0000-0002-5133-8664
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2016 (engelsk)Inngår i: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, Vol. 25, nr 5, s. 612-619Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Sleep problems, especially nightmares and insomnia, often accompany depression. This study investigated how nightmares, symptoms of insomnia, chronotype and sleep duration associate with seasonal affective disorder, a special form of depression. Additionally, it was noted how latitude, a proxy for photoperiod, and characteristics of the place of residence affect the prevalence of seasonal affective disorder and sleep problems. To study these questions, data from FINRISK 2012 study were used. FINRISK 2012 consists of a random population sample of Finnish adults aged 25–74 years (n = 4905) collected during winter from Finnish urban and rural areas spanning the latitudes of 60°N to 66°N. The Seasonal Pattern Assessment Questionnaire was used to assess symptoms of seasonal affective disorder. Participants with symptoms of seasonal affective disorder had significantly increased odds of experiencing frequent nightmares and symptoms of insomnia, and they were more often evening chronotypes. Associations between latitude, population size and urbanicity with seasonal affective disorder symptoms and sleep disturbances were generally not significant, although participants living in areas bordering urban centres had less sleep problems than participants from other regions. These data show that the prevalence of seasonal affective disorder was not affected by latitude. 

sted, utgiver, år, opplag, sider
John Wiley & Sons, 2016. Vol. 25, nr 5, s. 612-619
Emneord [en]
sleep, nightmares, seasonal affective disorder
HSV kategori
Forskningsprogram
Naturvetenskap; Kognitiv neurovetenskap och filosofi
Identifikatorer
URN: urn:nbn:se:his:diva-12298DOI: 10.1111/jsr.12416ISI: 000388457300017PubMedID: 27174375Scopus ID: 2-s2.0-84970003100OAI: oai:DiVA.org:his-12298DiVA, id: diva2:930698
Tilgjengelig fra: 2016-05-25 Laget: 2016-05-25 Sist oppdatert: 2019-10-07bibliografisk kontrollert

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