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Association Between Late Bedtime and Diabetes Mellitus: A Large Community-Based Study
Bin Yan1,2, Yajuan Fan2, Binbin Zhao2
1Department of Clinical Research Centre, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Summary
Going to bed late on weekdays, specifically at 12:00 AM or later, is linked to a higher prevalence of diabetes mellitus (DM). Maintaining consistent sleep schedules may reduce diabetes risk.
Area of Science:
- Sleep Medicine
- Endocrinology
- Public Health
Background:
- Diabetes mellitus (DM) is a significant global health concern.
- Sleep patterns are increasingly recognized as a factor influencing metabolic health.
- Understanding the relationship between bedtime and DM prevalence is crucial for preventative strategies.
Purpose of the Study:
- To investigate the association between weekday and weekend bedtime and the prevalence of diabetes mellitus (DM).
- To identify potential risk factors related to sleep timing for diabetes.
Main Methods:
- Analysis of data from 5,420 participants in the Sleep Heart Health Study.
- Categorization of bedtime into three groups: 11:00 PM and before, 11:00 PM to 12:00 AM, and 12:00 AM and later.
- Use of multivariate logistic regression to assess the relationship between bedtime and DM prevalence.
Main Results:
- A higher prevalence of DM was observed in individuals with a weekday bedtime of 12:00 AM and later (10.6%) compared to earlier bedtimes (5.7% and 6.6%).
- Late weekday bedtime (12:00 AM and later) was significantly associated with increased DM prevalence (OR 1.446, P = .007).
- No significant association was found between weekend bedtime and DM prevalence.
Conclusions:
- Late weekday bedtime (12:00 AM or later) may serve as a risk factor for diabetes mellitus.
- Further research is warranted to explore how stable sleep timing influences the risk of developing DM.
- Promoting consistent sleep schedules could be a potential public health intervention for diabetes prevention.
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