Journal ArticleDOI
Association between outdoor artificial light at night and sleep duration among older adults in China: A cross-sectional study.
Kejia Hu,Wanlu Li,Yunquan Zhang,Huashuai Chen,Chen Bai,Zhenchun Yang,Thiess Lorenz,Keyang Liu,Shirai Kokoro,Jinglu Song,Qin Zhao,Yali Zhao,J. Zhang,Jingwa Wei,Jiahao Pan,Jin Qi,Tingting Ye,Yi Zeng,Yao Yao +18 more
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TLDR
Wang et al. as mentioned in this paper explored the association between residential outdoor artificial light at night (ALAN) exposure and sleep duration in a nationally representative sample of Chinese older adults, and found a significant association between outdoor ALAN intensity and sleep quality.Abstract:
Light after dusk disrupts the circadian rhythms and shifts the timing of sleep later; but it is unknown whether outdoor artificial light at night (ALAN) affects sleep quality. This study aimed to explore the association between residential outdoor ALAN and sleep duration in a nationally representative sample of Chinese older adults.We examined the cross-sectional associations of outdoor ALAN with self-reported sleep duration in 13,474 older adults participating in the 2017-2018 wave of the Chinese Longitudinal Healthy Longevity Survey (CLHLS). Outdoor ALAN exposure was estimated at the residence level using satellite images. We applied generalized linear mixed models to investigate the association between ALAN exposure and sleep duration. We performed stratified analyses by age, sex, education, and household income levels. Moreover, we used multi-level logistic regression models to investigate the effects of ALAN on the short sleep duration (≤6 h) and the long sleep duration (>8 h), respectively, in reference to sleep for >6-8 h per day.We found a significant association between outdoor ALAN intensity and sleep duration. The highest quartile of ALAN was associated with 17.04 (95% CI: 9.42-24.78) fewer minutes of sleep as compared to the lowest quartile. The reductions in sleep duration per quartile change in ALAN were greater in the young old (≥65-85 years) and in those with higher levels of education, and those with higher household income, respectively. We did not detect a sex difference. In addition, those in the highest quartile of ALAN were more likely to report a 25% (95% CI: 10%-42%) increase in short sleep (<6 h), and a 21% (95% CI: 9%-31%) decrease in long sleep (>8 h).Increasing outdoor nighttime light intensity surrounding residences was associated with shorter sleep duration in older residents in China. This finding implies the importance of urban outdoor artificial light management as a potential means to lower the public health burden of sleep disorders. read more
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Journal ArticleDOI
Association between exposure to light at night (LAN) and sleep problems: A systematic review and meta-analysis of observational studies.
TL;DR: A systematic review and meta-analysis based on observational studies to examine the association between LAN exposure and sleep problems among human subjects was conducted by as discussed by the authors , where the authors found that individuals with higher levels of LAN exposure were associated with a 22 % (Summary Odds Ratio, SOR: 1.22, 95 %CI: 113-1.33) increased prevalence of sleep problems.
Journal ArticleDOI
Outdoor artificial light at night and human health: A review of epidemiological studies.
TL;DR: In this article , a non-systematic review of epidemiological studies on a potential link between exposure to outdoor artificial light at night (O-ALAN) and disease occurrence in humans published since 2009 was conducted.
Journal ArticleDOI
Outdoor light at night, genetic predisposition and type 2 diabetes mellitus: A prospective cohort study.
TL;DR: In this article , the authors found that exposure to outdoor light at night (LAN) may cause circadian disruption, which may disturb sleep quality and lead to incident type 2 diabetes mellitus (T2DM).
Journal ArticleDOI
Potential of Using Night-Time Light to Proxy Social Indicators for Sustainable Development
Ana Andries,Stephen Morse,Richard J. Murphy,Jhuma Sadhukhan,Elias Martinez-Hernandez,Myriam A. Amezcua-Allieri,Jorge Aburto +6 more
TL;DR: In this paper , the authors explore the potential of satellite-observed night-time light (NTL) data for populating indicators at more local (neighbourhood, street) scales.
Journal ArticleDOI
Sleep Health as a Determinant of Disparities in Stroke Risk and Health Outcome
TL;DR: In this paper , a review of observational studies evaluating the association between sleep health and cerebrovascular disease is presented, where the authors assess the influence on sleep of the physical environment, including the ambient environment with noise levels and the built environment.
References
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Sensitivity of the human circadian pacemaker to nocturnal light: melatonin phase resetting and suppression
Jamie M. Zeitzer,Jamie M. Zeitzer,Derk-Jan Dijk,Richard E. Kronauer,Richard E. Kronauer,Richard E. Kronauer,Emery N. Brown,Emery N. Brown,Emery N. Brown,Charles A. Czeisler,Charles A. Czeisler,Charles A. Czeisler +11 more
TL;DR: It is demonstrated that humans are highly responsive to the phase‐delaying effects of light during the early biological night and that both the phase resetting response to light and the acute suppressive effect of light on plasma melatonin follow a logistic dose‐response curve, as do many circadian responses to light in mammals.
Journal ArticleDOI
Survival, disabilities in activities of daily living, and physical and cognitive functioning among the oldest-old in China: a cohort study.
Yi Zeng,Yi Zeng,Qiushi Feng,Therese Hesketh,Therese Hesketh,Kaare Christensen,James W. Vaupel +6 more
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Epidemiology, Risk Factors, and Consequences of Obstructive Sleep Apnea and Short Sleep Duration
TL;DR: The epidemiology, risk factors, and consequences of obstructive sleep apnea and short/long sleep duration are reviewed and it is shown that short habitual sleep duration can result in excessive daytime sleepiness and reduced neurocognitive function.
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Sleep Disorders in the Older Adult – A Mini-Review
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Who Are the Long Sleepers? Towards an Understanding of the Mortality Relationship
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