The objective of this narrative review paper is to discuss about sleep duration needed
across the lifespan. Sleep duration varies widely across the lifespan and shows an inverse …

Sleep is essential for children's health and well-being. Characteristics of children's sleep
such as sleep duration, timing, quality and variability are increasingly being associated with …

Abstract Study Objectives To document trends in self-reported sleep duration for the
noninstitutionalized US civilian population from 2004 to 2017 and examine how sleep trends …

Sleep is one of the basic physiological processes for human survival. Both sleep quantity
and sleep quality are fundamental components of sleep. This review looks at both sleep …

Background: Sleep quality has been associated with human health and diseases, including
cognitive decline and dementia; however major determinants of sleep disorders are largely …

This systematic review examined the associations between sleep and brain functions and
structures in children and adolescents aged 1–17 ys. Included studies (n= 24) were peer …

Methods: Studies published in the 10 years preceding January 2021 were identified from
searches in four electronic databases. This systematic review followed the guidelines …

Objectives To examine the impact of sleep health on work in Japan and to investigate the
relationship between presenteeism and sleep health. Design Cross sectional analysis of a …

Abstract Study Objectives The high prevalence of chronic insufficient sleep in the population
has been a concern due to the associated health and safety risks. We evaluated secular …

Context L-tryptophan (Trp) has been documented to aid sleep, but a systematic compilation
of its effect on sleep quality is still limited. Objective We assessed the effect of Trp …