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Erschienen in: Sleep and Breathing 1/2023

25.04.2022 | Sleep Breathing Physiology and Disorders • Original Article

The independent and combined association of napping and night sleep duration with stroke in Chinese rural adults

verfasst von: Jing Yang, Xiaotian Liu, Zhihan Zhai, Wei Liao, Yaling He, Xueyan Wu, Chongjian Wang, Chunyang Sun, Yuqian Li

Erschienen in: Sleep and Breathing | Ausgabe 1/2023

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Abstract

Background

Inappropriate sleep duration is a potential cause of stroke. But the effect of napping on stroke risk remains controversial and the interaction between night sleep and napping duration remains unclear. The objective of this study was to examine the independent and combined effects of napping and nocturnal sleep duration on stroke.

Methods

Subjects were derived from a rural cohort study in Henan. The Pittsburgh Sleep Quality Index (PSQI) was applied to identify nap duration and nocturnal sleep duration. Binary logistic regression was employed to indicate the dose–response relationships between naps, nocturnal sleep, total 24-h sleep duration, and stroke.

Results

Among the 37,341 participants (14,485 men), 2600 suffered from a stroke. The odds ratios (ORs) and 95% confidence level (CI) for stroke in the fully adjusted model were 1.37 (1.13–1.65) for men nappers compared to non-nappers. Compared to 7–8 h of sleep per day, night sleep durations < 6 h and ≥ 9 h and 24-h sleep duration ≥ 10 h were linked to increased odds of stroke in men. The ORs (95%CI) were 1.34 (1.06–1.69) in nocturnal sleep duration < 6 h, 1.30 (1.06–1.59) in nocturnal sleep duration ≥ 9 h, and 1.40 (1.15–1.71) in 24-h sleep duration ≥ 10 h in men. In addition, long naps and prolonged nocturnal sleep duration have a joint effect on stroke in the fully adjusted model.

Conclusion

The napping duration and nocturnal sleep duration have independently and jointly effects on stroke in rural populations. More research is required to explore the underlying mechanisms for this relationship.

Clinical trial registration

The Henan Rural Cohort Study has been registered on the Chinese Clinical Trial Register (Registration number: ChiCTR-OOC-15006699) (http://​www.​chictr.​org.​cn/​showproj.​aspx?​proj=​11375).
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Metadaten
Titel
The independent and combined association of napping and night sleep duration with stroke in Chinese rural adults
verfasst von
Jing Yang
Xiaotian Liu
Zhihan Zhai
Wei Liao
Yaling He
Xueyan Wu
Chongjian Wang
Chunyang Sun
Yuqian Li
Publikationsdatum
25.04.2022
Verlag
Springer International Publishing
Erschienen in
Sleep and Breathing / Ausgabe 1/2023
Print ISSN: 1520-9512
Elektronische ISSN: 1522-1709
DOI
https://doi.org/10.1007/s11325-022-02619-w

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