Refreshing Sleep and Sleep Continuity Determine Perceived Sleep QualityReport as inadecuate

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Sleep Disorders - Volume 2016 2016, Article ID 7170610, 10 pages -

Research Article

Jewish General Hospital, Montreal, QC, Canada H3T 1E2

McGill University, Montreal, QC, Canada H3A 0G4

Dawson College, Montreal, QC, Canada H3Z 1A4

University of Montreal, Montreal, QC, Canada H3T 1J4

Mount Sinai Hospital, Montreal, QC, Canada H4W 1S7

St. Mary’s Hospital, Montreal, QC, Canada H3T 1M5

Received 4 March 2016; Revised 29 April 2016; Accepted 12 May 2016

Academic Editor: Luigi Ferini-Strambi

Copyright © 2016 Eva Libman et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Sleep quality is a construct often measured, employed as an outcome criterion for therapeutic success, but never defined. In two studies we examined appraised good and poor sleep quality in three groups: a control group, individuals with obstructive sleep apnea, and those with insomnia disorder. In Study 1 we used qualitative methodology to examine good and poor sleep quality in 121 individuals. In Study 2 we examined sleep quality in 171 individuals who had not participated in Study 1 and evaluated correlates and predictors of sleep quality. Across all six samples and both qualitative and quantitative methodologies, the daytime experience of feeling refreshed nonrefreshed in the morning and the nighttime experience of good impaired sleep continuity characterized perceived good and poor sleep. Our results clarify sleep quality as a construct and identify refreshing sleep and sleep continuity as potential clinical and research outcome measures.

Author: Eva Libman, Catherine Fichten, Laura Creti, Kerry Conrod, Dieu-Ly Tran, Roland Grad, Mary Jorgensen, Rhonda Amsel, Dorrie



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