• Min Zhao, Ting Chen, Chenglong Huang, and Qiuan Zhong.
• Department of Pharmacy, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China.
• Fam Pract. 2023 Mar 28; 40 (2): 314321314-321.

BackgroundIdeal cardiovascular health (CVH) is related to the future risk of cardiovascular disease. Sleep duration is an important factor influencing health outcomes. The association between sleep duration and CVH is unclear.ObjectivesWe aimed to explore the associations between sleep duration and CVH among Chinese adults.MethodsThis cross-sectional study was based on nationally representative samples from 2009 China Health and Nutrition Survey (CHNS). Sleep duration was categorized as ≤6, 7, 8, and ≥9 h. The CVH scores were evaluated. Generalized linear regressions and restricted cubic splines were used to determine the association between sleep duration and CVH.ResultsA total of 8,103 Chinese adults with a mean age of 50.29 (14.97) years were included. The mean (SD) CVH score was 3.96 (1.43). Only 36.7% of the participants had ideal CVH. Sleep duration was positively associated with ideal CVH (P-trend < 0.05). When comparing the long sleep duration with the short sleep duration, short sleep duration significantly decreased the mean CVH score, β = -0.24 (95% CI: -0.36, -0.13) and increased the risk of nonideal CVH, OR = 1.38 (95% CI: 1.15, 1.67) by generalized linear regressions. The restricted cubic splines showed CVH did not have a significant nonlinear relationship with sleep duration. The P-value for nonlinear was 0.161. The association of sleep duration with CVH had no obvious threshold.ConclusionShort sleep duration was associated with decreased odds of ideal CVH and lower mean CVH score. Confirmation through longitudinal studies is needed.© The Author(s) 2022. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

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