Why the study?
Does longer sleep duration (≥10 hours) increase blood pressure components in Chinese hypertensive adults without antihypertensive treatment compared to 5-9 hours of sleep?
Does longer sleep duration (≥10 hours) increase blood pressure components in Chinese hypertensive adults without antihypertensive treatment compared to 5-9 hours of sleep?
Longer sleep duration (≥10 hours) is associated with higher systolic blood pressure and pulse pressure in untreated Chinese hypertensive patients.
Answers are grounded in this paper and cite their sources.
Longer sleep may flag higher SBP/PP in untreated hypertensives; leaves open causal effects and practice implications.
Lihua Hua, Xiao Huanga, Chunjiao Youa, Huihui Baoab, Wei Zhoub, Juxiang Lia, Ping Lia, Yanqing Wua, Qinghua Wua, Zengwu Wangc, Runlin Gaod, Qian Liang*e & Xiaoshu Chengaba Department of Cardiovascular Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang of Jiangxi, Chinab Center for Prevention and Treatment of Cardiovascular Diseases, The Second Affiliated Hospital of Nanchang University, Nanchang of Jiangxi, Chinac Division of Prevention and Community Health, National Center for Cardiovascular Disease, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, Chinad Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, Chinae Jiangxi Key Laboratory of Molecular Medicine, the Second Affiliated Hospital of Nanchang University, Nanchang of Jiangxi, ChinaCONTACT Qian Liang fishuang@126.com Jiangxi Key Laboratory of Molecular Medicine, the Second Affiliated Hospital of Nanchang University, Nanchang of Jiangxi, China; Xiaoshu Cheng xiaoshumenfan126@163.com Department of Cardiovascular Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang of Jiangxi, ChinaABSTRACTObjectives: This study aimed to assess the relationship of sleep duration on workdays and non-workdays with BP components [systolic BP (SBP), diastolic (DBP), pulse pressure (PP), and mean arterial pressure (MAP)] among Chinese hypertensive adults.Methods: The study included 3,376 hypertensive patients without antihypertensive treatment. Self-reported sleep durations on workdays and non-workdays were measured by the questionnaire. Multiple linear regression analyses were performed to evaluate the association of sleep duration with BP components.Results: Overall, compared with a sleep duration of 5–9 h, individuals who slept ≥10 h on both workdays and non-workdays were positively correlated with SBP [β (95% CIs) = 3.99 (1.06, 6.93) and 4.33 (1.79, 6.87)] and PP [β (95% CIs) = 3.25 (0.71, 5.79) and 3.05 (0.85, 5.25)], but not with DBP. Moreover, individuals who slept ≥10 h only on non-workdays had higher MAP [β (95% CIs) = 2.30 (0.63, 3.97)]. The stratified analyses showed that subjects with a BMI ≥24 kg/m2 in the longer sleep duration group (≥10 h) only on workdays compared to the reference group had higher SBP, DBP and MAP (all P for interaction <0.05). The effect of longer sleep duration on BP components showed no difference in the following subgroups: sex, age, smoking and drinking (all P for interaction >0.05).Conclusion: Compared with a sleep duration of 5–9 h, longer sleep duration (≥10 h) on workdays and non-workdays was associated with high SBP and PP among Chinese hypertensive adults without antihypertensive treatment.
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Hu et al. (2018) studied this question.
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