ArticlePloS one2024
The association between nap time, nighttime sleep and depression in Chinese older adults: A cross-sectional study.
Article in PloS one, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- A Study on the Depressive Symptoms and Life Satisfaction Among Middle-Aged and Older Adults in China Based on CHARLS 2020 Data.Behavioral sciences (Basel, Switzerland) · 2026Article
- Optimal 24-Hour Sleep Duration and Depression Risk in Chinese Middle-Aged and Elderly: A Machine Learning and RCS Analysis of Nonlinear Associations.The Psychiatric quarterly · 2026Article
- An interpretable machine learning model predicts frailty risk in middle-aged and older adults with gastrointestinal disease: a longitudinal study.Scientific reports · 2026Article
- Article
- Shorter sleep, higher odds: a nationally representative analysis of the dose-dependent link to depression among 48.8 million U.S. youth.Frontiers in pediatrics · 2026Article
- Association between sleep duration and depressive symptoms among older adults in China: a national cross-sectional study.Frontiers in psychiatry · 2026Article
- Association between sleep duration and chronic lung diseases among Chinese middle-aged and older adults: A cross-sectional study.PloS one · 2026Article
- Sleep dependent autonomic correlates of affect and arousal in younger and older adults.Sleep advances : a journal of the Sleep Research Society · 2026Article
- Correlation analysis between sleep quality and depressive symptoms among rural elderly in China: An observational study.World journal of psychiatry · 2025Article
- How Long Should We Sleep? Exploring the Relationship Between Sleep Duration and the Prevalence of Depression.International journal of behavioral medicine · 2025Article
- Association of sleep pattern phenotypes with health outcomes in Chinese older chronic patients.BMC geriatrics · 2025Article
- A machine-learning-derived online screening tool for depressive symptoms in patients with cardiovascular and cerebrovascular diseases (CCVD): a cross-sectional study with temporal validation from CHARLS.BMC cardiovascular disorders · 2025Article
- Association between sleep characteristics and physical functioning in middle-aged and elderly adults: findings from Chinese cohorts.Aging clinical and experimental research · 2025Article
- Depression and its influencing factors among older adults with chronic pain in China: an empirical analysis based on CHARLS data.Frontiers in public health · 2025Article
- Relationship Between Triglyceride-Glucose Index and Handgrip Strength in the Midlife and Elderly Population: Evidence From a Chinese Cohort.International journal of endocrinology · 2025Article
- Interaction effects of sleep duration and activities of daily living on depressive symptoms among Chinese middle-aged and older adult individuals: evidence from the CHARLS.Frontiers in public health · 2025Article
- Association between changes in sleep duration and the risk of incident depressive symptoms among Chinese middle-aged and older adults.PloS one · 2025Observational
- Machine learning algorithms to predict depression in older adults in China: a cross-sectional study.Frontiers in public health · 2024Article
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3 authors.
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Abstract
objectiveTo explore the relationship among nap time, night sleep time, and depression among the elderly and to determine the recommended sleep time to provide a scientific and reasonable basis for the prevention and control of depression in residents.
methodsBased on the 2020 China Health and Elderly Care Longitudinal Survey (CHARLS) database, the demographic data and the health and lifestyle information of the study subjects were obtained. A total of 2,959 valid samples were included, and the relationship between sleep and depression was explored by logistic regression, restricted cubic spline, and isotemporal substitution model.
resultsIn the cross-sectional analysis, no statistical relationship was observed between napping time and depression in the elderly. The optimal sleep interval for the elderly at night is 6-7.5 hours, and the health benefits are the largest. A sleep duration of < 6 hours at night (OR = 2.25, 95% CI: 1.90 to 2.65) was associated with a high likelihood of depression. The probability of depression in the elderly continues to decrease with the increase of time after the nighttime sleep duration reaches 6 hours and is at the lowest level of about 7.5 hours. Moreover, the probability of depression will increase after the sleep duration exceeds 9.5 hours. In the range of 6-7.5 hours of recommended sleep duration, the likelihood of depression in the elderly will be reduced by 0.311 for every 30-minute increase in nighttime sleep time instead of noon sleep time.
conclusionThe duration of nighttime sleep and the probability of depression have a U-shaped relationship. The likelihood of depression was lowest in the elderly who slept for 6-8 hours at night, and the likelihood of depression could be reduced by increasing the nighttime sleep time instead of napping time within the optimal nighttime sleep range.
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