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Background: Habitual sleep duration is increasingly being recognized as an important risk factor for stroke. We sought to describe the association between sleep duration and stroke in a cohort of individuals with diabetes. Methods...
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Background: Habitual sleep duration is increasingly being recognized as an important risk factor for stroke. We sought to describe the association between sleep duration and stroke in a cohort of individuals with diabetes. Methods: Data from the National Health Interview Survey for the years 2004-2013 were used. Only those answering "yes" to the question "Have you EVER been told by a doctor or other health professional that you have diabetes or sugar diabetes?" were included in the analysis. Sleep duration was categorized as short (= 9 hours). Self-reported diagnosis of stroke was the main outcome of interest. Findings: A total number of 26,364 self-reported diabetic individuals provided data for analysis. Stroke was reported in 9.1% of short sleepers, 16.1% of long sleepers, and 8.3% of normative sleepers (P < .05). In the unadjusted model, short and long sleepers had an increased odds of stroke compared to normal sleepers (odds ratio [OR] = 1.12, 95% confidence interval [CI]: 1.02-1.23, P = .01; and OR = 2.18, 95% CI: 1.96-2.42, P = .01; respectively), but the association between short sleep and stroke became nonsignificant after multivariate adjustment (OR = 1.15, 95% CI:.95-1.40, P = .16) except in white participants. The association between long sleep duration and stroke persisted (OR = 1.46, 95% CI: 1.16-1.84, P = .01), especially in males (OR = 1.62, 95% CI: 1.14-2.28) and in white participants (OR = 1.97, 95% CI: 1.47-2.65). Conclusion: In diabetic patients, abnormal sleep duration was associated with increased risk of stroke, and this association varied among different sex and ethnic groups.
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Purpose Insufficient sleep is not well studied in developing countries. We assessed sleep duration among adults in Lebanon and examined its potential predictors and relationship with subjective sleep insufficiency, daytime fatigue...
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Purpose Insufficient sleep is not well studied in developing countries. We assessed sleep duration among adults in Lebanon and examined its potential predictors and relationship with subjective sleep insufficiency, daytime fatigue, and weekday sleep debt. Methods This cross-sectional study included 501 adults (mean age 45.2 (SD15.2) years, 64% females) from the community in Beirut and Mount Lebanon. Socio-demographic, lifestyle and health characteristics, subjective sleep insufficiency, daytime fatigue, and weekday sleep debt (weekend vs. weekdays sleep duration) were compared between individuals who reported sleeping < 6:00, 6-7:59(reference), or ≥ 8:00 h/night. Symptoms and predictors of sleep duration were assessed using logistic regression. Results Thirty-nine percent of participants reported sleeping < 6 h/night while 15% reported sleeping ≥ 8:00 h/night. Age (OR = 1.16/year, 95% CI [1.02-1.33]) and female sex (OR= 1.71, 95% CI [1.14-2.58]) were significant predictors of short sleep (< 6:00 h/night) in multivariable adjusted analyses. Compared to referent (6:00-7:59 h/night) and long sleepers (≥ 8:00 h/night), short sleepers were significantly more likely to report subjective sleep insufficiency (OR = 3.00, 95% CI [2:00—4.48], and OR = 4.52, 95% CI [2.41-8.51]; respectively) and daytime fatigue (OR= 1.53, 95% CI [1.04-2.24], and OR= 1.83, 95% CI [1.06-2.04]; respectively). Compared to long weekdays sleepers, short and referent weekdays sleepers were more likely to sleep longer on weekend (OR = 2.47, 95% CI [1.18-5.15], and OR = 4.16, 95% CI [2.03-8.5]; respectively). Conclusions Short sleep is highly prevalent in this urban cohort from a low- to medium-income country especially among women and older adults, and is associated with subjective sleep insufficiency, daytime fatigue, and weekday sleep debt. The socio-cultural determinants of sleep duration need to be studied across different populations to better evaluate the causes and implications of short sleep.
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Objective:This study aimed to evaluate the association between sleep duration and hypertension among adults in southwest China.Methods:Baseline variables were collected from a representative sample of 20,053 adults aged 23-98 year...
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Objective:This study aimed to evaluate the association between sleep duration and hypertension among adults in southwest China.Methods:Baseline variables were collected from a representative sample of 20,053 adults aged 23-98 years in southwest China who received physical examinations from January 2019 to December 2020. All participants were categorized into either a hypertension group or a non-hypertension group. Sleep duration was classified as short (8 h/day). Baseline variables were compared between individuals with and without hypertension by rank-sum tests for two independent samples or χ 2 tests for nonparametric data. Multivariate logistic regression analysis was performed to evaluate the association between sleep duration and hypertension.Results:The overall incidence of hypertension was 51.2%. Unadjusted analysis showed that the risk of hypertension was higher in individuals with short (8h/day) sleep durations compared with those with a normal (6-8 h/day) sleep duration. The risk of hypertension was significantly increased by 30.1% in participants with a long (>8h/day) sleep duration compared with those with a normal (6-8h/day) sleep duration (OR = 1.301, P 8h/day) sleep duration (17.5% increase) compared with participants with a normal (6-8h/day) sleep duration (OR = 1.175, P = 0.144, 95%CI = 0.946-1.460).Conclusion:The results of this study indicate that a short (<6h/day) sleep duration is related to an increased risk of hypertension, suggesting that sleep helps to protect against hypertension.Copyright: ? 2022 The Author(s).
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Abstract Background Sleep behavior (eg, sleep duration, sleep quality, and nap) is closely related to many chronic conditions. However, less is known about its association with multiple chronic conditions (multimorbidity), particu...
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Abstract Background Sleep behavior (eg, sleep duration, sleep quality, and nap) is closely related to many chronic conditions. However, less is known about its association with multiple chronic conditions (multimorbidity), particularly evidence from cohort studies.Methods Data were collected from a cohort of 8?937 individuals aged 45 and older from the China Health and Retirement Longitudinal Study (2011–2018). Sleep duration, sleep quality, and nap duration were collected in 2011 and 2013. Progression of multimorbidity was defined as the first report of 2 or more chronic conditions for participants without multimorbidity or the new report of 1 or more conditions for those with multimorbidity. Cox regression models were performed to calculate the hazard ratios and 95% confidence intervals (CIs) of the associations between sleep behaviors and the progression of multimorbidity.Results Short sleep duration and poor sleep quality were associated with the progression of multimorbidity independently and jointly, especially in those less than 65?years and females. The U-shaped dose–response relationships were observed between nighttime and total sleep duration and the progression of multimorbidity. Persistent short and unsteadily changed sleep behaviors increased the risk of multimorbidity progression. Individuals sleeping ≤5?h/night with 5–7 restless days/week had 1.53 times higher risk of multimorbidity progression (95% CI: 1.37–1.71), compared to those sleeping 7–8?h/night with <1 restless day/week.Conclusions Short sleep duration and poor sleep quality were independently and jointly associated with a higher risk of multimorbidity progression in a mid-to-older population. Optimal sleep duration and sleep quality should be emphasized in multimorbidity prevention and control.
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Study Objectives: Since subjective sleep duration (SSD) is considered to be longer than objective sleep duration (OSD), results of SSD minus OSD (SSD-OSD) might always be thought to be positive. Some recent reports showed differen...
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Study Objectives: Since subjective sleep duration (SSD) is considered to be longer than objective sleep duration (OSD), results of SSD minus OSD (SSD-OSD) might always be thought to be positive. Some recent reports showed different results, but exact results have not been obtained. The difference between SSD and OSD may change according to OSD. We investigated this difference and its association with sleep-disordered breathing (SDB) or nonrestorative sleep. Methods: This cross-sectional study evaluated 6,908 community residents in Nagahama, Japan. SSD was determined by self-administered questionnaire. OSD was measured by wrist actigraphy and sleep diary. SDB was assessed according to the 3% oxygen desaturation index adjusted for OSD. Results: Worthy of notice was that SSD was shorter than OSD for those with SSD longer than 6.98 hours in all participants, 7.36 hours in males, and 6.80 hours in females. However, SSD was longer than OSD (mean ± SD: 6.49 ± 1.07 vs 6.01 ± 0.96; P < .001) overall, as SSD is considered to be longer than OSD. In patients with SDB, the difference between SSD-OSD was greater when OSD was shorter. The difference also depended on SDB severity. The degree of positivity between OSD and SSD was a significant factor in nonrestorative sleep (odds ratio: 2.691; P < .001). Conclusions: When OSD was slightly less than 7 (6.98) hours, participants reported or perceived SSD > OSD. When OSD was > 6.98 hours, participants reported or perceived SSD < OSD. Patients with SDB reported longer SSD than OSD according to severity of SDB. Evaluating SSD, OSD, and their differences may be useful for managing sleep disturbances, including nonrestorative sleep.
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Objectives To investigate self-reported sleep duration, sleep timing, sleep status and influencing factors in the Chinese population. Methods This web-based cross-sectional survey was conducted in 2022, covering 31 provinces (91%)...
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Objectives To investigate self-reported sleep duration, sleep timing, sleep status and influencing factors in the Chinese population. Methods This web-based cross-sectional survey was conducted in 2022, covering 31 provinces (91%) in China. 11,000 questionnaires were collected, of which 8970 were valid for analysis. Self-reported sleep habits, problems and quality were investigated. Good or fair sleep ratings, enough duration, regular, with no sleep disturbances and <30 min sleep latency was defined as a composite variable: ‘Good sleep’. Factors influencing sleep patterns and ‘Good sleep’ were analyzed by multivariate logistic regression. Results Most participants sleep less than 7 h per night (55.13%), usually go to bed at 10–12 pm (47.99%), wake up at 6–8 am (49.86%), and take less than 30 min to fall asleep (66.30%) with regular sleep schedule (76.01%). Only 12.36% have ‘Good sleep’. In the past 3 months, 46.80% of the participants reported symptoms of insomnia, and 21.54% had snoring problems. Among the adults, the young, males, college students, freelancers, and those who resided in urban areas and pandemic-free areas slept later, and the northerners woke up earlier. The adults with low-moderate and moderate income and the minors at elementary and middle school slept earlier and woke up earlier. Mid-aged adults who often napped at noon were more likely to have ‘Good sleep’ than any other age group, and urban dwellers with the same habit were more likely to have ‘Good sleep’ than people dwelled in other regions. While people who slept late, woke up too early or too late, slept too little or too much, resided at GMT 7–8 area or pandemic area, had high income, or took up some occupations (entrepreneurs/individuals, professionals, manual and non-manual workers, housewives) were less likely to get a ‘Good sleep’. Conclusions The national survey provided a sleep profile of the Chinese population. Both socio-economic status and personal sleep hygiene habits had an impact on ‘Good sleep’.
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Objectives. The relationship of sleep to health has been an active area of research in recent years, and the National Social Life, Health, and Aging Project (NSHAP) expanded sleep data collection in Wave 2 with enhanced core quest...
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Objectives. The relationship of sleep to health has been an active area of research in recent years, and the National Social Life, Health, and Aging Project (NSHAP) expanded sleep data collection in Wave 2 with enhanced core questions and a novel sleep module that included an objective measure of sleep duration and quality.
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Abstract Background The relationship between sleep duration and cancer in China remains inconclusive. The authors investigated the association between sleep duration and cancer from both static and dynamic perspectives. Methods Th...
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Abstract Background The relationship between sleep duration and cancer in China remains inconclusive. The authors investigated the association between sleep duration and cancer from both static and dynamic perspectives. Methods This study was based on the China Health and Retirement Longitudinal Study. We first tested the hazard ratios (HRs) with 95% confidence intervals (CIs) between baseline sleep duration and incident cancer using Cox proportional hazards regression analysis. Sleep duration trajectories from 2011 to 2015 were identified using group‐based trajectory modeling to examine the subsequent risk of incident cancer from 2015 to 2018 using Cox proportional hazards regression model. Results The risk of incident cancer increased by 69% (HR, 1.69; 95% CI, 1.19–2.39) in individuals who slept for <7?h per day (vs. 7 to ≤8?h), 41% (HR, 1.41; 95% CI, 1.01–1.95) in those who slept for <6?h per night (vs. 6 to ≤8?h), and 60% (HR, 1.60; 95% CI, 1.01–2.55) in those who did not take any naps during the day (vs.?>60?min). Stratified by sex and body mass index, the risk of cancer was evident among women with night sleep of <6?h (vs. 6–8?h). However, the duration of <7?h of total sleep among men and overweight individuals was associated with cancer risk. Moreover, individuals with a short night sleep duration but no napping had a higher risk of cancer. Furthermore, cancer risk was only observed in individuals with short stable trajectory of night sleep (HR, 2.01; 95% CI, 1.07–3.80) and among women with short stable trajectory of total sleep (HR, 2.26; 95% CI, 1.13–4.52). Conclusions Cancer incidence risk was observed in participants with sleep duration of <7?h and among women with short stable sleep trajectory. Short nights and total sleep duration were both associated with a high risk of incident cancer, but varied by sex. Interestingly, cancer risk was restricted to women with short stable sleep trajectory. Plain Language Summary This study showed that short nights and total sleep duration were associated with a high risk of cancer incidence in middle‐aged and elderly Chinese population, with implications for early effective cancer prevention. Habitual sleep is a modifiable and dynamic lifestyle behavior, and long‐term short sleep trajectories among women can predict cancer outcomes. Future studies should examine the association between the trajectory of sleep parameters based on objective measures and specific cancer types.
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Study Objectives: Over one-third of the United States population sleeps less than the recommended 7 hours a night, which increases risk for chronic diseases. The aim of this study was to evaluate the acceptability of sleep extensi...
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Study Objectives: Over one-third of the United States population sleeps less than the recommended 7 hours a night, which increases risk for chronic diseases. The aim of this study was to evaluate the acceptability of sleep extension interventions and preferences in sleep extension interventions among adults with short sleep duration.
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? 2023 National Sleep FoundationObjectives: To determine whether longitudinal trajectories of nighttime sleep duration and daytime napping duration are related to subsequent multimorbidity risk. To explore whether daytime napping ...
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? 2023 National Sleep FoundationObjectives: To determine whether longitudinal trajectories of nighttime sleep duration and daytime napping duration are related to subsequent multimorbidity risk. To explore whether daytime napping can compensate for negative effects of short nighttime sleep. Methods: The current study included 5262 participants from China Health and Retirement Longitudinal Study. Self-reported nighttime sleep duration and daytime napping duration were collected from 2011 to 2015. The 4-year sleep duration trajectories were conducted by group-based trajectory modeling. The 14 medical conditions were defined by self-reported physician diagnoses. Multimorbidity was diagnosed as participants with 2 or more of the 14 chronic diseases after 2015. Associations between sleep trajectories and multimorbidity were assessed by Cox regression models. Results: During 6.69 years of follow-up, we observed multimorbidity in 785 participants. Three nighttime sleep duration trajectories and three daytime napping duration trajectories were identified. Participants with persistent short nighttime sleep duration trajectory had the higher risk of multimorbidity (hazard ratio = 1.37, 95% confidence interval: 1.06-1.77), compared with those with persistent recommended nighttime sleep duration trajectory. Participants with persistent short nighttime sleep duration and persistent seldom daytime napping duration had the highest risk of multimorbidity (hazard ratio = 1.69, 95% confidence interval: 1.16-2.46). Conclusions: In this study, persistent short nighttime sleep duration trajectory was associated with subsequent multimorbidity risk. Daytime napping could compensate for the risk of insufficient night sleep.
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