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Subjective and objectiv quality of sleep
Stockholm University, Faculty of Social Sciences, Stress Research Institute.
Stockholm University, Faculty of Social Sciences, Stress Research Institute.
2008 (English)In: Somnologie, Vol. 12, 104-109 p.Article in journal (Other academic) Published
Abstract [en]

Subjective and objective quality of sleep

E-Mail: torbjorn.akerstedt@stressforskning.su.se

Relatively few studies have tried to relate subjective sleep quality to objective sleep parameters and most have been carried out in laboratory settings and often with patients and usually only for a single night. The present study used a group of 33 subjects who had sleep polysomnographically recorded in their homes for three nights during a period of several weeks. First a multiple regression analysis was carried out for each night with a 4-item sleep quality index as the dependent variable and conventional sleep parameters as predictors. This yielded a significant beta value for percent Stage O for each of the three nights. Sleep efficiency showed a significant correlation with sleep quality for two nights but did not enter the regression. When the night with the best and poorest sleep were compared, the only significant variable became percent SWS. It was suggested that the differing results may have been due to the large age span confusing SWS/quality correlations.

Place, publisher, year, edition, pages
2008. Vol. 12, 104-109 p.
Keyword [en]
Ratings, Diary, Poloysomnography
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:su:diva-14891DOI: doi:10.107/s11818-008-0342-zOAI: oai:DiVA.org:su-14891DiVA: diva2:181411
Note
Internt publ.nr. P2677Available from: 2008-11-07 Created: 2008-11-07 Last updated: 2011-01-10Bibliographically approved

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