Key result
Midday napping for ≥90 min/day was associated with a higher risk of hypertension compared to non-nappers at 4-year follow-up (HR 1.18; 95% CI 1.01-1.40; p=0.048).
Why the study?
The study was conducted to investigate the associations of midday nap duration and change in midday nap duration with hypertension among middle-aged and older Chinese adults.
Does long midday nap duration increase the risk of hypertension in middle-aged and older Chinese adults?
Population
5729 Chinese adults (≥45 years old)
Comparison
Midday nap duration and changes in nap duration vs non-nappers or stable nappers
Design
Nationwide retrospective cohort study
Follow-up
four-year follow-up
Authors
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Long naps associated with hypertension risk warrant no practice change; leaves open causal effects and need for prospective trials.
Cohort (n=5,729)
Yes
Does long midday nap duration increase the risk of hypertension in middle-aged and older Chinese adults?
Hazard Ratio: 1.18 (95% CI 1.01–1.4)
p-value: p=0.048
Long midday naps (≥90 min/day) are associated with an increased risk of incident hypertension in middle-aged and older Chinese adults, while decreasing nap duration may lower this risk.
Fu et al. (2021) conducted a cohort in Hypertension (n=5,729). Midday nap duration ≥90 min/day vs. Non-nappers was evaluated on Hypertension (HR 1.18, 95% CI 1.01-1.40, p=0.048). Midday napping for ≥90 min/day was associated with a higher risk of hypertension compared to non-nappers at 4-year follow-up (HR 1.18; 95% CI 1.01-1.40; p=0.048).
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