Sleep duration on workdays or nonworkdays and cardiac–cerebral vascular diseases in Southern China

Hu, Lihua; Zhang, Bing; Zhou, Wei; Huang, Xiao; You, Chunjiao; Li, Juxiang; Hong, Kui; Li, Ping; Wu, Qinghua; Wang, Zengwu; Gao, Runlin; Bao, Huihui; Cheng, Xiaoshu

doi:10.1016/j.sleep.2017.11.1147

Cited by 19 publications

(13 citation statements)

References 46 publications

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“…A comparison of short sleep (� 6h) and long sleep duration (>8 h) were compared to normal sleep duration (6-8 h). Although this normal duration differs slightly from the recommendations of the US National Sleep Foundation and American Academy of Sleep Medicine [44], the proposed 6-8 h "normal" sleep duration for this population comes from recent studies of the association between sleep duration and CVD events in Chinese population [45,46].…”

Section: Plos Onementioning

confidence: 83%

Sleep duration is associated with vitamin D deficiency in older women living in Macao, China: A pilot cross-sectional study

Liang²,

et al. 2020

PLoS ONE

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Chinese women are known to have both a high prevalence of metabolic syndrome (MetS) and vitamin D deficiency (serum 25-hydroxyvitamin D (25OHD) <50 nmol/l). Associations between sleep duration and circulating 25OHD have recently been reported but, to our knowledge, these associations have not been studied in older Chinese populations. We thus investigated whether sleep duration was associated with vitamin D status in a population from Macao, China, and whether sleep duration modified the association between MetS and vitamin D deficiency. In 207 older (>55 years) Macanese, anthropometry, blood samples and validated questionnaires, including sleep duration and cardiovascular risk factors, were simultaneously collected. On multivariable categorical analyses, those women, not men, who had short sleep duration (�6 hours (h)) were at a 2-fold risk for vitamin D deficiency (both <50 nmol/L and <37 nmol/L; OR = 1.94, 95%CI 1.29-2.92; OR = 2.05, 95%CI 1.06-3.98, respectively) and those who had longer sleep duration (>8 h) were 3-fold more likely to have vitamin D deficiency (OR = 3.07, 95%CI 1.47-6.39; OR = 2.75, 95%CI 1.08-7.00, respectively) compared to those with normal sleep duration (6-8 h). Both women and men with MetS were 2-fold more likely to have vitamin D deficiency (women: OR = 2.04, 95%CI 1.31-3.17; OR = 2.15, 95%CI 1.11-4.17, respectively; men: OR = 2.01, 95%CI 1.23-3.28; OR = 2.04, 95%CI 1.00-4.29, respectively). Moreover, women with both short sleep duration and MetS had an increased risk of vitamin D deficiency (OR = 3.26, 95%CI 1.10-9.64). These associations were not found in those with longer sleep. Men with longer sleep and MetS had a 5-fold risk of vitamin D deficiency (OR = 5.22; 95%CI 2.70-10.12). This association was non-significant for men with shorter sleep. We conclude that both short and long sleep duration were associated with vitamin D deficiency in older Chinese women. Further research is needed in larger cohorts or with intervention studies to further examine the associations between reduced sleep, metabolic syndrome and vitamin D deficiency.

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Section: Plos Onementioning

confidence: 83%

Sleep duration is associated with vitamin D deficiency in older women living in Macao, China: A pilot cross-sectional study

Liang²,

et al. 2020

PLoS ONE

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“…Sleep duration was based on the response to the following question: “On a weekday, how many hours of sleep do you get in a 24‐hour period?” and “On the weekend, how many hours of sleep do you get in a 24‐hour period?”. Because our previous study showed that sleep debt measured as the difference in sleep duration between weekdays and weekends was not associated with stroke, the weekly mean sleep duration was calculated as the weighted average of the sleep duration on weekdays and weekends using the formula: (sleep duration on weekday × 5 + sleep duration on weekend × 2)/7.…”

Section: Methodsmentioning

confidence: 99%

“…Self‐reported history of stroke was assessed by the following question: “Have you ever been told by a doctor or other health professional that you had a stroke?” if respondents answered “yes,” they were also asked for symptoms, initial dates, diagnostic units, medical records, and imaging data in order to make a reasonable assessment of the original diagnosis. Stroke included subarachnoid hemorrhage, intracerebral hemorrhage, or cerebral ischemic necrosis, but did not include transient cerebral ischemia, secondary stroke caused by brain tumor, brain metastasis tumor, or trauma …”

Section: Methodsmentioning

confidence: 99%

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Effect of hypertension status on the association between sleep duration and stroke among middle‐aged and elderly population

Huang

Zhou

et al. 2019

J of Clinical Hypertension

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We aimed to examine whether hypertension status modified the association between sleep duration and stroke among middle‐aged and elderly population. This cross‐sectional study included 10 516 participants aged ≥45 years from the China Hypertension Survey study. Sleep duration and history of stroke were assessed by questionnaires. Multivariate logistic regression analyses, a generalized additive model (GAM) and smooth curve fitting (penalized spline method) and a two‐piecewise logistic regression models were performed to evaluate the association between sleep duration and stroke in different status of hypertension. 95% confidence interval (CI) for turning point was obtained by bootstrapping. Multiple logistic analyses showed that per 1 hour increase in sleep duration was associated with a 37% increased prevalence of stroke among participants without hypertension and associated with a 8% increased prevalence of stroke among hypertensive participants (without hypertension: odds ratio [OR] = 1.37, 95% CI 1.09‐1.71; with hypertension: OR = 1.08, 95% CI 0.95‐1.21; PInteraction = .029). The fully adjusted smooth curves presented a linear association between sleep duration and stroke among participants without hypertension, but a threshold, nonlinear association among hypertensive participants. The turning point for the curve was found at a sleep duration of 8 (95% CI 5‐9) h among hypertensive patients. The ORs (95% CIs) for stroke were 0.92 (0.79, 1.06) and 1.60 (1.23, 2.08) to the left and right of the turning point, respectively. In conclusion, we found a linear association between sleep duration and stroke among middle‐aged and elderly participants without hypertension, but a threshold, nonlinear association among hypertensive participants.

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“…Thus, CARDIA study showed that long sleep duration is mostly associated with increased risk of dyslipidemia [13]. Cross-sectional and prospective studies demonstrated that the prevalence of stroke and myocardial infarction (MI) is higher in both short and long sleepers, but the sleep debt mostly increases risk of MI [7,14].…”

Section: Introductionmentioning

confidence: 99%

Sleep duration and cardiovascular risk: results of the large-scale epidemiology study ESSE-RF

Bochkarev

Korostovtseva

Медведева

et al. 2019

Arterial Hypertension

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Background. The recent data suggest that sleep disorders are associated with cardiovascular diseases. We assessed the relation between self-reported sleep duration and cardiovascular and metabolic disorders in the large-scale epidemiological study. Material and methods. The ESSE-RF is a population-based cross-sectional study involving 22,258 participants aged 25-64 years from 13 regions of the Russian Federation. In 2012-2014, all subjects underwent a structured interview including questions about average daily sleep duration, lifestyle, complaints and diseases. The current analyses considered the associations with the following disorders: obesity, hypertension, coronary artery disease, myocardial infarction, stroke (cerebral thrombosis or hemorrhage) and diabetes mellitus. Results. Altogether 20,359 respondents were included in the final analysis. The mean self-reported sleep duration was 7.0 h per night: 23.3% participants reported sleeping less than 6 h while 4.5% subjects slept more than 9 h. We found both short and long sleep duration to be associated with self-reported cardiovascular diseases. The association was independent of age, sex, body mass index, blood pressure, lipids and glucose levels. The multivariable odds were higher for obesity in short-sleepers compared to those sleeping 7-8 h. In the meanwhile, the association was U-shaped for coronary artery disease. A J-shaped relation was found for myocardial infarction. No relation was found for hypertension, diabetes mellitus or stroke. Conclusions. Differences in sleep duration may have health consequences given associations between short and long sleep duration and cardiometabolic outcomes.

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Sleep duration on workdays or nonworkdays and cardiac–cerebral vascular diseases in Southern China

Cited by 19 publications

References 46 publications

Sleep duration is associated with vitamin D deficiency in older women living in Macao, China: A pilot cross-sectional study

Sleep duration is associated with vitamin D deficiency in older women living in Macao, China: A pilot cross-sectional study

Effect of hypertension status on the association between sleep duration and stroke among middle‐aged and elderly population

Sleep duration and cardiovascular risk: results of the large-scale epidemiology study ESSE-RF

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