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NEUROLOGY / CLINICAL RESEARCH
Associations of nocturnal-diurnal sleep patterns and social participation factors with memory-related disorders in middle-aged and older adults
1
Zhaoqing University, China
2
Department of Sports, Exercise and Health Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
3
College of Sports Science, Dankook University, Korea (South)
4
Department of Sport and Exercise Sciences, Kunsan National University, Korea (South)
5
Faculty of Education, City University of Macau, China
6
Department of Rehabilitation Medicine, Shenzhen Hospital, Southern Medical University, China
Submission date: 2025-12-08
Final revision date: 2026-02-10
Acceptance date: 2026-03-03
Online publication date: 2026-06-04
KEYWORDS
CHARLSmiddle-aged and older adultsnighttime sleep durationsocial participationmemory-related disorders
TOPICS
ABSTRACT
Introduction:
The aim of the study was to investigate whether there is an association between nocturnal-daytime sleep patterns as well as social participation and memory-related categories of diseases in the middle-aged and older population in China.
Material and methods:
This study was based on data from the China Health and Retirement Longitudinal Study (CHARLS), and a total of 19,023 study participants who met the inclusion and exclusion criteria were included in the 2018 analysis. Logistic regression models were used to explore the relationship between different night-time-daytime sleep patterns, social participation, and memory-related categories of disorders step by step with adjustments for different covariates, and the odds ratios (ORs) and 95% confidence intervals (95% Cl) were obtained.
Results:
Logistic regression models with sequential adjustment for potential confounders identified nighttime sleep duration > 5 h combined with daytime sleep duration ≤ 30 min, participation in sports, and participation in social or other club activities as factors associated with lower odds of memory-related diseases. Stratified analyses found that among males, people living in rural areas, and married people, the group with > 5 h of nighttime sleep and ≤ 30 min of daytime sleep was associated with lower odds of memory-related disorders. Among women, people living in urban areas, and married people, social participation was associated with lower odds of memory-related diseases.
Conclusions:
Nighttime sleep time > 5 h, daytime sleep time ≤ 30 min group, and social participation are associated with lower odds of memory-related disorders in older adults.
The aim of the study was to investigate whether there is an association between nocturnal-daytime sleep patterns as well as social participation and memory-related categories of diseases in the middle-aged and older population in China.
Material and methods:
This study was based on data from the China Health and Retirement Longitudinal Study (CHARLS), and a total of 19,023 study participants who met the inclusion and exclusion criteria were included in the 2018 analysis. Logistic regression models were used to explore the relationship between different night-time-daytime sleep patterns, social participation, and memory-related categories of disorders step by step with adjustments for different covariates, and the odds ratios (ORs) and 95% confidence intervals (95% Cl) were obtained.
Results:
Logistic regression models with sequential adjustment for potential confounders identified nighttime sleep duration > 5 h combined with daytime sleep duration ≤ 30 min, participation in sports, and participation in social or other club activities as factors associated with lower odds of memory-related diseases. Stratified analyses found that among males, people living in rural areas, and married people, the group with > 5 h of nighttime sleep and ≤ 30 min of daytime sleep was associated with lower odds of memory-related disorders. Among women, people living in urban areas, and married people, social participation was associated with lower odds of memory-related diseases.
Conclusions:
Nighttime sleep time > 5 h, daytime sleep time ≤ 30 min group, and social participation are associated with lower odds of memory-related disorders in older adults.
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| eISSN: | 1896-9151 |
| ISSN: | 1734-1922 |
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