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The Polysomnographical Meaning of Changed Sleep Quality-A Study of Treatment with Reduced Time in Bed
Stockholms universitet, Samhällsvetenskapliga fakulteten, Psykologiska institutionen, Stressforskningsinstitutet. Stockholms universitet, Samhällsvetenskapliga fakulteten, Psykologiska institutionen, Biologisk psykologi.ORCID-id: 0000-0003-3480-9476
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Rekke forfattare: 72023 (engelsk)Inngår i: Brain Sciences, ISSN 2076-3425, E-ISSN 2076-3425, Vol. 13, nr 10, artikkel-id 1426Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Background: Reports of poor sleep are widespread, but their link with objective sleep (polysomnography-PSG) is weak in cross-sectional studies. In contrast, the purpose of this study was to investigate the association between changes in subjective and objective sleep variables using data from a study of the reduction in time in bed (TIB). Methods: One sleep recording was carried out at baseline and one at treatment week 5 (end of treatment) (N = 34). Results: The Karolinska Sleep Quality Index improved and was correlated with improvement in sleep efficiency (r = 0.41, p < 0.05) and reduction in TIB (r = -0.47, p < 0.01) and sleep latency (r = 0.36, p < 0.05). The restorative sleep index showed similar results. Improvements in the insomnia severity index (ISI) essentially lacked correlations with changes in the PSG variables. It was suggested that the latter may be due to the ISI representing a week of subjective sleep experience, of which a single PSG night may not be representative. Conclusions: It was concluded that changes in the subjective ratings of sleep are relatively well associated with changes in the PSG-based sleep continuity variables when both describe the same sleep.

sted, utgiver, år, opplag, sider
MDPI, 2023. Vol. 13, nr 10, artikkel-id 1426
Emneord [en]
subjective sleep, objective sleep, ratings, PSG, sleep restriction, sleep compression
HSV kategori
Forskningsprogram
psykologi
Identifikatorer
URN: urn:nbn:se:su:diva-224246DOI: 10.3390/brainsci13101426ISI: 001098274900001PubMedID: 37891794Scopus ID: 2-s2.0-85175447227OAI: oai:DiVA.org:su-224246DiVA, id: diva2:1817485
Merknad

This research was funded by FAS (Forskningsrådet för Arbetsliv och Samhälle) FAS dnr 2009-1758.

Tilgjengelig fra: 2023-12-06 Laget: 2023-12-06 Sist oppdatert: 2024-01-11bibliografisk kontrollert

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D'Onofrio, PaoloSchwarz, Johanna F. A.Åkerstedt, Torbjörn

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D'Onofrio, PaoloJernelov, SusannaBlom, KerstinKaldo, ViktorSchwarz, Johanna F. A.Åkerstedt, Torbjörn
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