The results can be summarized as follows: (a) the daily estimated durations of sleep and wakefulness were positively correlated with the actual durations in all but one subject; (b) sleep and wake times were better estimated in the presence of a light-dark cycle even if the subjects were ...
Sleep loss is one of large challenges during space missions. A variety of sleep problems have been shown in space. We aimed to further characterize more representative and consecutive sleep-wake patterns and to investigate sleep-wake cycle on heart rate during short duration spaceflight mission. ...
This pooled cohort study investigates the association between sleep duration and cognitive decline in a combined analysis of 2 nationally representative
The last decade has witnessed a growing body of epidemiological and basic research on sleep and cognitive health. However, the association between sleep
Additionally, mediation analysis was performed to investigate the potential mediating role of sleep duration. The stability of the relationship was assessed through sensitivity analysis. Results VAI and LAP were closely related to depression. In the fully adjusted model, VAI and LAP in the highest ...
We explore the impact of sleep deprivation and the important question of how much sleep is required for optimal cognitive performance. We consider how other sleep metrics, such as sleep quality, may be a more meaningful measure of sleep. We then discuss the putative mechanisms between sleep and...
Recent research has revealed that today’s older adults report more sleep problems than their predecessors, a trend compounded by expanding social stratification. As such, this study examined the demographic, socioeconomic, and health correlates of sleep quality and sleep duration among community-dwellin...
Sleep dysregulation is a feature of dementia but it remains unclear whether sleep duration prior to old age is associated with dementia incidence. Using data from 7959 participants of the Whitehall II study, we examined the association between sleep duration and incidence of dementia (521 diagnosed ...
Learn how to change time of snooze on iPhone. This simple guide will show you step-by-step instructions for adjusting your snooze duration, ensuring you wake up when you want to.
Nature and Science of Sleep Dovepress open access to scientific and medical research Open Access Full Text Article ORIGINAL RESEARCH Sleep Duration and Kidney Function – Does Weekend Sleep Matter? Chia-Chao Wu 1,2, Pei-Lin Yang3, Li-Ting Kao 4–6, Yi-Chun Liu7,8, Cai-Mei Zheng9, ...