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Association of chronic insomnia symptoms and recurrent extreme sleep duration over 10 years with well-being in older adults: a cohort study

Abell, JG; Shipley, MJ; Ferrie, JE; Kivimäki, M; Kumari, M; (2016) Association of chronic insomnia symptoms and recurrent extreme sleep duration over 10 years with well-being in older adults: a cohort study. BMJ Open , 6 (2) , Article e009501. 10.1136/bmjopen-2015-009501. Green open access

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Abstract

OBJECTIVES: The extent to which aspects of sleep affect well-being in the long-term remains unclear. This longitudinal study examines the association between chronic insomnia symptoms, recurrent sleep duration and well-being at older ages. SETTING: A prospective cohort of UK civil servants (the Whitehall II study). PARTICIPANTS: 4491 women and men (25.2% women) with sleep measured 3 times over 10 years and well-being once at age 55-79 years. Insomnia symptoms and sleep duration were assessed through self-reports in 1997-1999, 2003-2004 and 2007-2009. PRIMARY OUTCOME MEASURES: Indicators of well-being, measured in 2007-2009, were the Control, Autonomy, Self-realisation and Pleasure measure (CASP-19) of overall well-being (range 0-57) and the physical and mental well-being component scores (range 0-100) of the Short Form Health Survey (SF-36). RESULTS: In maximally adjusted analyses, chronic insomnia symptoms were associated with poorer overall well-being (difference between insomnia at 3 assessments vs none -7.0 (SE=0.4) p<0.001), mental well-being (difference -6.9 (SE=0.4), p<0.001) and physical well-being (difference -2.8 (SE=0.4), p<0.001) independently of the other sleep measures. There was a suggestion of a dose-response pattern in these associations. In addition, recurrent short sleep (difference between ≤5 h sleep reported at 3 assessments vs none -1.7 (SE=0.7), p<0.05) and recurrent long sleep (difference between >9 h reported at 2 or 3 assessments vs none -3.5 (SE=0.9), p<0.001) were associated with poorer physical well-being. CONCLUSIONS: We conclude that in older people, chronic insomnia symptoms are negatively associated with all aspects of well-being, whereas recurrent long and short sleep is only associated with reduced physical well-being.

Type: Article
Title: Association of chronic insomnia symptoms and recurrent extreme sleep duration over 10 years with well-being in older adults: a cohort study
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1136/bmjopen-2015-009501
Publisher version: http://dx.doi.org/10.1136/bmjopen-2015-009501
Additional information: This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See: http://creativecommons.org/licenses/by/4.0/
Keywords: EPIDEMIOLOGY, MENTAL HEALTH, PUBLIC HEALTH, SOCIAL MEDICINE
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Epidemiology and Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Epidemiology and Health > Behavioural Science and Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Epidemiology and Health > Epidemiology and Public Health
URI: https://discovery.ucl.ac.uk/id/eprint/1477580
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