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All Journal Journal of Psychological Perspective
Chao Hao
Research Center for Social and Economic Development of Comprehensive Health and Aging, School of Art and Design, Guangzhou College of Commerce, Guangzhou
Humanities Education Social Sciences Other

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The Relationship Between Sleep Duration and Life Satisfaction in Middle-aged and Older Adults: evidence from China Chao Hao; Feiyang Xie; Naifeng Bu; Xue Wang
Journal of Psychological Perspective Vol 8, No 2 (2026)
Publisher : Utan Kayu Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47679/jopp.8214522026

Abstract

Aging is becoming increasingly common worldwide, which has a profound impact on the social structure, making it imperative to enhance the life satisfaction of the middle-aged and older adults. While life satisfaction serves as a crucial metric for assessing quality of life in aging societies, empirical evidence suggests improvement lags behind advancements in medical technology and living standards. Thus, identifying the key factors influencing their life satisfaction is crucial. We employed data from 12,525 validated samples from the 2020 China Health and Retirement Longitudinal Study to examine sleep's impact on life satisfaction through multiple mediation modeling. The findings revealed that insufficient sleep emerged as a widespread phenomenon significantly compromising the life satisfaction of the middle-aged and older adults. Physical health and depressive symptoms mediated 85% of sleep's total effect, with depressive symptoms alone accounting for 65% of the mediation. The disproportionate mediation effect of depressive symptoms highlights mental health's critical role in the well-being assessment of the middle-aged and older adults.
Co-Authors Feiyang Xie Naifeng Bu Xue Wang