The objective of this systematic review was to examine the associations between sleep
timing (eg, bedtime/wake-up time, midpoint of sleep), sleep consistency/regularity (eg, intra …

Objective To develop and present consensus findings of the National Sleep Foundation
sleep timing and variability panel regarding the impact of sleep timing variability on health …

Shift work can cause circadian cycles disturbances and misaligns the endogenous rhythms.
The physiological variables are driven by the circadian system and, its misalignment, can …

Study objectives Country or regional differences in sleep duration are well-known, but few
large-scale studies have specifically evaluated sleep variability, either across the work …

The present study aimed to examine the association between morningness‐eveningness
preferences, sleep duration, weekend catch‐up sleep duration and depression among …

This study investigated associations between weekend catch-up sleep (WCUS) and health-
related quality of life (HRQoL) in 15,837 participants from the 7th (2016–2018) Korea …

Within competitive sociocultural environments, most Korean workers are likely to shorten
their sleep duration during the weekday. Short sleep duration is associated with …

The objective was to investigate the association between time spent on waking activities and
nonaligned sleep duration in a representative sample of the US population. We analysed …

Background The effect of weekend catch-up sleep (WCS) on depressive symptoms is
inconsistent among different populations, with limited evidence in Americans. Therefore, we …

Background Many researchers have identified that adequate sleep duration is linked to the
quality of life and metabolic diseases. Nowadays, it is hard to take enough sleep, so …