Short and Long Sleep Durations are Both Associated with Increased Risk of Stroke: A Meta-Analysis of Observational Studies
Abstract
Background: There is uncertainty about the relationship between sleep duration and stroke risk. Aim We aimed to clarify the relationship between sleep duration and risk of stroke by using epidemiological evidence. Methods: We searched MEDLINE and EMBASE to identify all studies that might be looking at the association between sleep duration and stroke, including both cohort and cross-sectional studies. Pooled hazard ratios (HRs) and odds ratios (ORs) were calculated through a random-effects model. Results: Our study included a total of 12 cohort studies and 6 cross-sectional studies. Pooled results from the cohort studies showed that short sleep duration was associated with a higher risk for stroke [HR, 1·13; 95% confidence interval (CI) 1·02–1·25], and that long sleep duration also increases the risk of having a stroke (HR, 1·40; 95% CI, 1·16–1·64). Results from cross-sectional studies confirmed the relationship between stroke and inappropriate sleep duration, either too little sleep or too much. For short sleep duration, the OR was 1·71 (1·39–2·02); for long sleep duration, the OR was 2·12 (1·51–2·73). Conclusion: Both short and long sleep durations have a significant association with higher risk of stroke.
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Sleep duration is associated with mortality risk and with illnesses ranging from cardiovascular and cerebrovascular disease to obesity, diabetes, cancer, and depression.
“Sleep duration is associated with mortality risk [38][39][40] and with illnesses ranging from cardiovascular 41 and cerebrovascular 42 disease to obesity, 43 diabetes, 44 cancer, 45,46 and depression.47”
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- Authors
- Ge, B., & Guo, X.
- Affiliations
- Tongji Hospital (CN)
- ORCID
- Ge, Beihai
- Venue
- International Journal of Stroke
- Publisher
- SAGE Publications
- Published
- 2014-11-03
- Volume
- 10
- Issue
- 2
- Pages
- 177-184
- ISSN
- 1747-4930 (ISSN-L)
- 1747-4949
- OpenAlex
- W1996612661
- Cited by
- 77
- References
- 41
- Citations by year
- 2026: 1 · 2025: 5 · 2024: 12 · 2023: 9 · 2022: 7 · 2021: 5 · 2020: 12 · 2019: 4 · 2018: 3 · 2017: 6 · 2016: 8 · 2015: 5
- FWCI
- 0.86
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- International Journal of Stroke (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
- Health Sciences › Medicine › Physiology › Obstructive Sleep Apnea Research
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
- Keywords
- sleep duration, stroke risk, short sleep duration, long sleep, excessive sleep, insufficient sleep, cardiovascular risk factors
- MeSH terms
- Humans, Risk, Sleep, Time Factors, Stroke, Observational Studies as Topic
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