NDLI: Association between sleep duration and patterns and obesity: a cross-sectional study of the 2007–2018 national health and nutrition examination survey

Content Provider	Springer Nature : BioMed Central
Author	Xu, Qiaoli Lin, Zhijin chen, Yani huang, Meixue
Abstract	Objective We intend to explore whether sleep duration and sleep patterns were associated with obesity among the adult American population. Methods Our study analyzed data from 4540 adults (2007–2008, 2015–2018) in the National Health and Nutrition Examination Survey (NHANES) database. Self-reported questionnaires were used to collect data on sleep duration, excessive daytime sleepiness, and sleep problems. The overall sleep pattern score was calculated and categorized into three types: healthy, intermediate, and poor sleep patterns. Multivariable logistic regression models were used to calculate the associations between sleep duration, sleep patterns and obesity. We further conducted linearity tests using restricted cubic splines to explore the dose-response relationship between sleep duration and obesity. Additionally, we performed stratified and interaction analyses to understand if this relationship was stable in different subgroups. Results After adjusting for potential confounding factors, sleep duration (odds ratio [OR] = 0.91, 95% confidence interval [CI]:0.87–0.95, P < 0.001) and sleep pattern score (OR = 1.18, 95% CI: 1.1–1.27, P < 0.001) were independently associated with obesity. There was a non-linear relationship between sleep duration and obesity, with a threshold of approximately 9.73 h. The effects and CI below and above the threshold were 0.89 (0.849–0.936) and 2.023 (1.113–3.677), respectively. Conclusions Unhealthy sleep patterns and shorter sleep duration were positively correlated with obesity occurrence, and there was a non-linear relationship between sleep duration and the occurrence of obesity. Interventions aimed at promoting healthy sleep habits and appropriate sleep duration may be important in reducing the risk of obesity.
Related Links	https://bmcpublichealth.biomedcentral.com/counter/pdf/10.1186/s12889-025-22433-9.pdf
Ending Page	11
Page Count	11
Starting Page	1
File Format	HTM / HTML
ISSN	14712458
DOI	10.1186/s12889-025-22433-9
Journal	BMC Public Health
Issue Number	1
Volume Number	25
Language	English
Publisher	BioMed Central
Publisher Date	2025-04-21
Access Restriction	Open
Subject Keyword	Public Health Medicine Epidemiology Biostatistics Vaccine Environmental Health Sleep duration Sleep patterns Obesity NHANES Medicine/Public Health
Content Type	Text
Resource Type	Article
Subject	Public Health, Environmental and Occupational Health
Journal Impact Factor	3.5/2023
5-Year Journal Impact Factor	3.9/2023

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