Sleep duration, daytime napping, markers of obstructive sleep apnea and stroke in a population of southern China

Wen, Yan; Pi, Fuhua; Guo, Pi; Dong, Wenchen; Xie, Yuqing; Wang, Xiangyu; Xia, Fangfang; Pang, Shaojie; Wu, Yanchun; Wang, Yuan‐Yuan; Zhang, Qingying

doi:10.1038/srep34689

Cited by 18 publications

(23 citation statements)

References 33 publications

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“…Another US study of over 55,000 adults also showed that in addition to CVD, the risks of hypertension and diabetes were also elevated among people with either short or long sleep duration [2] , [15] . The findings of the present study were broadly consistent with previous cross-sectional studies conducted in Chinese adults [4] [16] and with prospective studies [14] .…”

Section: Discussionsupporting

confidence: 92%

Characteristics and correlates of sleep duration, daytime napping, snoring and insomnia symptoms among 0.5 million Chinese men and women

et al. 2018

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BackgroundInadequate sleep duration and insomnia can affect both physical and mental health. There is limited evidence, however, on characteristics and correlates of sleep patterns and insomnia in urban and rural China.MethodsThis cross-sectional study, involving 512,891 adults aged 30–79 years from ten (five urban and five rural) diverse areas in China, recorded detailed information, using interviewer-administered laptop-based questionnaires, on sleep patterns (duration, daytime napping and snoring) and insomnia symptoms. Logistic regression was used to examine the associations of sleep patterns and insomnia symptoms with a range of socio-economic, lifestyle, behaviour and health-related factors.ResultsOverall, the mean (SD) sleep duration was 7.38 (1.37) h, with 23% reporting short (≤6 h) and 16% reporting long (≥9 h) sleep duration, 21% taking daytime naps and 22% having frequent snoring. Overall, 17% reported having insomnia symptoms, with a higher proportion in women than in men (19% vs 13%), in rural than in urban residents (19% vs 15%), and in individuals who were living alone (23%). The adjusted odds ratios (ORs) of having insomnia symptoms were significantly higher among people with major depressive episodes (6.10, 95% CI: 5.69–6.55), generalised anxiety disorders (7.46, 6.65–8.37) and any chronic diseases (1.46; 1.44–1.49). In contrast, the ORs of insomnia symptoms were significantly lower among those reporting napping (0.77, 0.75–0.78) and frequent snoring (0.86, 0.84–0.87).ConclusionsAmong Chinese adults, sleep patterns varied greatly by socio-economic, lifestyle and health-related factors. The risk of insomnia symptoms was associated with both poor mental and physical health status.

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Section: Discussionsupporting

confidence: 92%

Characteristics and correlates of sleep duration, daytime napping, snoring and insomnia symptoms among 0.5 million Chinese men and women

et al. 2018

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“…Second, daytime napping was positively associated with inflammatory markers, including serum C reactive protein [ 33 ], which might enhance the development of diabetes [ 34 , 35 ]. Third, daytime napping was an indicator of obstructive sleep apnea (OSA) [ 36 ]. OSA is characterized by the recurrent collapse of respiratory structures [ 37 ], which could increase sympathetic nervous activity and oxidative stress, and eventually cause insulin resistance [ 38 ].…”

Section: Discussionmentioning

confidence: 99%

Association of daytime napping in relation to risk of diabetes: evidence from a prospective study in Zhejiang, China

et al. 2021

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Background Diabetes was a major risk factor for numerous chronic diseases. However, the associations between daytime napping and diabetes in the existing literature is still inconsistent. Methods The analysis included 53,916 participants aged 30–79 years of the China Kadoorie Biobank prospective study from Tongxiang. Incident diabetes were identified through linkage with incident diabetes surveillance systems, health insurance system, and death registries. Cox regressions were used to estimate the associations of daytime napping with diabetes. Results 5.11% of participants reported habitual daytime napping. During 488,233 person-years (median 9.4 years) of follow-up, 3333 incident diabetes, including 1249 males and 2084 females, were documented. After adjusting for socio-demographic status, behavioral lifestyle, BMI, waist circumference and snoring, as comparison with those without daytime napping, the hazard ratios for risk of diabetes were 1.39 (95% CI 1.21–1.59). The corresponding figures for males and females were 1.45 (95% CI 1.20–1.74) and 1.30 (95% CI 1.05–1.59), respectively. The corresponding figures for postmenopausal and premenopausal females were 1.41 (95% CI 1.08–1.80) and 1.13 (95% CI 0.78–1.59), respectively. Conclusions Habitual daytime napping is positively associated with risk of diabetes in adults, except premenopausal females.

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“…The potential mechanisms underlying the association between long sleep duration and elevated hsCRP and SUA are more speculative. First, a long sleep duration could be the result an undiagnosed illness or comorbidities that cause fatigue and lethargy [39]. Chronic inflammation is known to be involved in the main pathophysiology of many chronic diseases [40].…”

Section: Discussionmentioning

confidence: 99%

U-Shaped Association between Sleep Duration, C-Reactive Protein, and Uric Acid in Korean Women

Lee

Son

Kwon

2020

IJERPH

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Serum high-sensitivity C-reactive protein (hsCRP) and serum uric acid (SUA) are biomarkers that predict chronic inflammation and cardiovascular dysfunction. Therefore, we aimed to investigate the association between sleep duration, hsCRP, and SUA in Korean women. Cross-sectional data from the Seventh Korea National Health and Nutrition Examination Survey was analyzed. The odds ratio (OR) and 95% confidence intervals (CIs) for an association between higher hsCRP (>2.0 mg/L) or higher SUA (>5.6 mg/dL) and sleep duration were calculated using multiple logistic regression analyses after adjusting for potential confounders. In total, 6151 women were included in the analysis. There was a U-shaped relationship between continuous sleep duration, hsCRP, and SUA. Compared to those who slept for 7–8 h, the ORs (95% CIs) for higher hsCRP were 1.43 (0.95–2.16) in short sleepers and 1.64 (1.09–2.48) in long sleepers after adjusting for confounders. Compared with those who slept for 7–8 h, the ORs (95% CIs) for higher SUA were 1.54 (1.04–2.26) in short sleepers and 1.94 (1.27–2.96) in long sleepers after adjusting for confounders. We found a U-shaped association between sleep duration, hsCRP, and SUA in Korean women. 7–8 h sleep was associated with lower level of hsCRP and SUA in Korean women.

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Sleep duration, daytime napping, markers of obstructive sleep apnea and stroke in a population of southern China

Cited by 18 publications

References 33 publications

Characteristics and correlates of sleep duration, daytime napping, snoring and insomnia symptoms among 0.5 million Chinese men and women

Characteristics and correlates of sleep duration, daytime napping, snoring and insomnia symptoms among 0.5 million Chinese men and women

Association of daytime napping in relation to risk of diabetes: evidence from a prospective study in Zhejiang, China

U-Shaped Association between Sleep Duration, C-Reactive Protein, and Uric Acid in Korean Women

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