Background: Self-rated health (SRH) has been shown to consistently predict overall
mortality and cardiovascular mortality in several population-based studies across the world …

Objective The objective was to conduct a scientifically rigorous update to the National Sleep
Foundation's sleep duration recommendations. Methods The National Sleep Foundation …

We aimed to obtain reliable reference charts for sleep duration, estimate the prevalence of
sleep complaints across the lifespan and identify risk indicators of poor sleep. Studies were …

Study Objectives: Pattern of sleep duration and its correlates have rarely been reported in
China. This study examined the sleep duration and its relationship with sociodemographic …

Importance Historically marginalized racial and ethnic groups are generally more likely to
experience sleep deficiencies. It is unclear how these sleep duration disparities have …

Purpose To present normative values of mean sleep duration from adolescence through
young adulthood (ages 13–32 years), prevalence of short (< 6 hours) and long (> 10 hours) …

Objective Insomnia is a prevalent disorder in the United States and elsewhere. It has been
associated with a range of somatic and psychiatric conditions, and adversely affects quality …

Objectives. Illustrate the importance of examining within-and between-person differences in
sleep across the adult age span. Method. Two weeks of sleep diary data were analyzed for …

PURPOSE: Little is known about population determinants of short sleep duration. The
authors examined associations between short sleep duration and income, education and …

Abstract Study Objectives Most epidemiological studies assess sleep duration using
questionnaires. Interpreting this information requires understanding the extent to which self …