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dc.contributor.authorThorarinsdottir, Elin H
dc.contributor.authorBjornsdottir, Erla
dc.contributor.authorBenediktsdottir, Bryndis
dc.contributor.authorJanson, Christer
dc.contributor.authorGislason, Thorarinn
dc.contributor.authorAspelund, Thor
dc.contributor.authorKuna, Samuel T
dc.contributor.authorPack, Allan I
dc.contributor.authorArnardottir, Erna S
dc.date.accessioned2019-12-09T11:46:45Z
dc.date.available2019-12-09T11:46:45Z
dc.date.issued2019-12
dc.date.submitted2019-12
dc.identifier.citationThorarinsdottir EH, Bjornsdottir E, Benediktsdottir B, et al. Definition of excessive daytime sleepiness in the general population: Feeling sleepy relatesbetter to sleep‐related symptoms and quality of life than the Epworth Sleepiness Scale score. Results from an epidemiological study. J Sleep Res. 2019;28:e12852. h t t p s : //d o i .org/10.1111/jsr.12852en_US
dc.identifier.issn1365-2869
dc.identifier.pmid30968492
dc.identifier.doi10.1111/jsr.12852
dc.identifier.urihttp://hdl.handle.net/2336/621207
dc.descriptionTo access publisher's full text version of this article click on the hyperlink belowen_US
dc.description.abstractMany different subjective tools are being used to measure excessive daytime sleepiness (EDS) but the most widely used is the Epworth Sleepiness Scale (ESS). However, it is unclear if using the ESS is adequate on its own when assessing EDS. The aim of this study was to estimate the characteristics and prevalence of EDS using the ESS and the Basic Nordic Sleep Questionnaire (BNSQ) in general population samples. Participants aged 40 years and older answered questions about sleepiness, health, sleep-related symptoms and quality of life. Two groups were defined as suffering from EDS: those who scored >10 on the ESS (with increased risk of dozing off) and those reporting feeling sleepy during the day ≥3 times per week on the BNSQ. In total, 1,338 subjects (53% male, 74.1% response rate) participated, 13.1% reported an increased risk of dozing off, 23.2% reported feeling sleepy and 6.4% reported both. The prevalence of restless leg syndrome, nocturnal gastroesophageal reflux, difficulties initiating and maintaining sleep and nocturnal sweating was higher among subjects reporting feeling sleepy compared to non-sleepy subjects. Also, subjects reporting feeling sleepy had poorer quality of life and reported more often feeling unrested during the day than non-sleepy subjects. However, subjects reporting increased risk of dozing off (ESS > 10) without feeling sleepy had a similar symptom profile as the non-sleepy subjects. Therefore, reporting only risk of dozing off without feeling sleepy may not reflect problematic sleepiness and more instruments in addition to ESS are needed when evaluating daytime sleepiness.en_US
dc.description.sponsorshipLandspitali University Hospital Research Fund Icelandic Research Fund AstraZeneca GlaxoSmithKline Swedish Heart and Lung Foundation Sweden GlaxoSmithKlineen_US
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.urlhttps://onlinelibrary.wiley.com/doi/full/10.1111/jsr.12852en_US
dc.subjectBasic Nordic Sleep Questionnaireen_US
dc.subjectsubjective sleepinessen_US
dc.subjectSvefnrannsókniren_US
dc.subjectSyfjaen_US
dc.subject.meshSleepinessen_US
dc.subject.meshSurveys and Questionnairesen_US
dc.titleDefinition of excessive daytime sleepiness in the general population: Feeling sleepy relates better to sleep-related symptoms and quality of life than the Epworth Sleepiness Scale score. Results from an epidemiological study.en_US
dc.typeArticleen_US
dc.contributor.department1 Department of Medicine, Landspitali - The National University Hospital of Iceland, Reykjavik, Iceland. 2 Faculty of Medicine, University of Iceland, Reykjavik, Iceland. 3 Sleep Department, Landspitali - The National University Hospital of Iceland, Reykjavik, Iceland. 4 School of Science and Engineering, Reykjavik University, Reykjavik, Iceland. 5 Department of Medical Sciences: Respiratory, Allergy and Sleep Research, Uppsala University, Uppsala, Sweden. 6 Icelandic Heart Association, Kopavogur, Iceland. 7 Department of Medicine and Center for Sleep and Circadian Neurobiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA. 8 Department of Medicine, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, Pennsylvania, USA. 9 Internal Medicine Services, Landspitali - The National University Hospital of Iceland, Reykjavik, Iceland.en_US
dc.identifier.journalJournal of Sleep Researchen_US
dc.rights.accessNational Consortium - Landsaðganguren_US
dc.departmentcodePSC12
dc.departmentcodePAD12
dc.departmentcodeNAF12
dc.source.journaltitleJournal of sleep research


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