Key result
Short sleep duration (≤ 5 hours per day) was associated with a 70% higher risk of incident cardio-cerebral vascular disease compared to 7 hours of sleep per day (HR 1.70).
Why the study?
The association between sleep duration and predicted cardio-cerebral vascular disease risk remains to be fully understood.
Does short sleep duration increase the incidence of cardio-cerebral vascular disease in Chinese community residents?
Population
6476 Chinese community residents who underwent follow-up examination (from 9247 initially enrolled)
Comparison
Self-reported sleep duration categories (≤5, 6, 8, or ≥9 hours per day vs 7 hours per day)
Design
Prospective cohort study
Follow-up
Median 3.00 years (IQR 2.83-3.08)
Authors
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Short sleep may elevate CCVD risk; leaves open causality and need for interventional trials.
Cohort (n=6,476)
Does short sleep duration increase the incidence of cardio-cerebral vascular disease in Chinese community residents?
Hazard Ratio: 1.7 (95% CI 1.24–2.34)
Absolute Event Rate: 37.67% vs 18.33%
p-value: p=0.001
Short sleep duration (≤5 hours) is independently associated with a significantly increased risk of incident cardio-cerebral vascular disease, particularly in individuals under 65 and those with baseline hypertension.
Ke et al. (2022) conducted a cohort in Cardio-cerebral vascular disease (CCVD) (n=6,476). Short sleep duration (≤ 5 hours/day) vs. 7 hours/day sleep duration was evaluated on CCVD incidence (HR 1.70, 95% CI 1.24-2.34, p=0.001). Short sleep duration (≤ 5 hours per day) was associated with a 70% higher risk of incident cardio-cerebral vascular disease compared to 7 hours of sleep per day (HR 1.70).
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