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Self-reported sleep patterns in a British population cohort
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Leng, Yue, Wainwright, Nick W. J., Cappuccio, Francesco, Surtees, Paul G., Luben, Robert, Wareham, Nick, Brayne, Carol and Khaw, Kay-Tee (2014) Self-reported sleep patterns in a British population cohort. Sleep Medicine, Volume 15 (Number 3). pp. 295-302. doi:10.1016/j.sleep.2013.10.015 ISSN 1389-9457.
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Official URL: http://dx.doi.org/10.1016/j.sleep.2013.10.015
Abstract
Objectives:
Sleep patterns have been linked to various health outcomes, but sleep patterns in the British population have not been extensively reported. We aimed to describe the sleep characteristics reported by the European Prospective Investigation of Cancer (EPIC)-Norfolk participants, with a particular emphasis on the comparison of measures of sleep quantity.
Methods:
From 2006 to 2007, a total of 8480 participants aged 45–90 years reported sleep timing, nighttime sleep duration, and sleep difficulties. Time in bed (TIB) was calculated from the difference between rise time and bedtime, and sleep proportion was defined as the ratio of sleep duration and TIB.
Results:
On average, the reported TIB was more than 1.5 h longer than sleep durations. Compared to men, women spent 15 min longer in bed, but they slept for 11 min less and reported more sleep difficulties. In multivariate analysis sleep duration and TIB varied with socioeconomic factors, but sleep proportion was consistently lower among women, nonworkers, and older individuals, as well as those who were widowed, separated, or divorced; those who reported sleep difficulties and more frequently used sleep medication; and those who had lower education, poorer general health, or a major depressive disorder (MDD).
Conclusions:
Self-reported sleep duration and TIB have different meanings and implications for health. Sleep proportion may be a useful indicator of sleep patterns in the general population.
Item Type: | Journal Article | ||||||||||
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Subjects: | Q Science > QP Physiology | ||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences > Mental Health and Wellbeing Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School |
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Library of Congress Subject Headings (LCSH): | Sleep -- Great Britain | ||||||||||
Journal or Publication Title: | Sleep Medicine | ||||||||||
Publisher: | Elsevier BV | ||||||||||
ISSN: | 1389-9457 | ||||||||||
Official Date: | March 2014 | ||||||||||
Dates: |
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Volume: | Volume 15 | ||||||||||
Number: | Number 3 | ||||||||||
Page Range: | pp. 295-302 | ||||||||||
DOI: | 10.1016/j.sleep.2013.10.015 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||
Date of first compliant deposit: | 27 December 2015 | ||||||||||
Date of first compliant Open Access: | 27 December 2015 | ||||||||||
Funder: | Medical Research Council (Great Britain) (MRC), Cancer Research UK (CRUK), University of Warwick, University of Warwick. Institute of Advanced Study (IAS), Great Britain. National Health Service (NHS), Economic and Social Research Council (Great Britain) (ESRC) | ||||||||||
Grant number: | G0401527 (MRC), C864/A2883 (CRUK), C864/A8257 (CRUK), ES/K002910/1 (ESRC) | ||||||||||
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