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Relationships Between Questionnaire Ratings of Sleep Quality and Polysomnography in Healthy Adults
Stockholm University, Faculty of Social Sciences, Stress Research Institute. Radboud University, The Netherlands; Karolinska Institutet, Sweden.
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2016 (English)In: Behavioural Sleep Medicine, ISSN 1540-2002, E-ISSN 1540-2010, Vol. 14, no 2, 185-199 p.Article in journal (Refereed) Published
Abstract [en]

This study aimed to examine the association between polysomnographic sleep and subjective habitual sleep quality and restoration from sleep. Thirty-one normal sleepers completed the Karolinska Sleep Questionnaire and multiple home polysomnography recordings (n = 2-5). Using linear regression, sleep quality and restoration were separately analyzed as functions of standard polysomnography parameters: sleep efficiency, total sleep time, sleep latency, stage 1 and 2 sleep, slow-wave sleep, rapid eye movement sleep, wake time after sleep onset, and awakenings (n), averaged across recordings. Stage 2 and slow-wave sleep predicted worse and better sleep quality, respectively. Also, slow-wave sleep predicted less subjective restoration, although adjustment for age attenuated this relation. Our findings lend some physiological validity to ratings of habitual sleep quality in normal sleepers. Data were less supportive of a physiological correlate of ratings of restoration from sleep.

Place, publisher, year, edition, pages
2016. Vol. 14, no 2, 185-199 p.
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Public Health, Global Health, Social Medicine and Epidemiology Applied Psychology
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URN: urn:nbn:se:su:diva-109322DOI: 10.1080/15402002.2014.974181ISI: 000371594800006PubMedID: 25384098Local ID: P-3169OAI: oai:DiVA.org:su-109322DiVA: diva2:764158
Available from: 2014-11-18 Created: 2014-11-18 Last updated: 2017-12-05Bibliographically approved

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Kecklund, GöranAxelsson, JohnÅkerstedt, Torbjörn
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