In adults (≥18 years), poor sleep quality (13.3%) and insomnia symptoms (9.6–19.4%) were more prevalent than short sleep duration (6.5% with TST < 6 h). Among teenagers, 51.5% reported total sleep times (TST) of less than the recommended 8–10 h and 18% report daytime sleepiness. One in four people slept less than age-specific recommendations, but only 5.8% slept outside of the ‘acceptable’ sleep duration. We assembled individual participant data from 200,358 people (aged 1–100 years, 55% female) from 36 studies from the Netherlands, 471,759 people (40–69 years, 55.5% female) from the United Kingdom and 409,617 people (≥18 years, 55.8% female) from the United States. Eligible studies had to be published between 20 with data on sleep assessed with questionnaires including ≥100 participants from the general population.
Studies were identified through systematic literature search in Embase, Medline and Web of Science (9 August 2019) and through personal contacts. 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. Nature Human Behaviour volume 5, pages 113–122 ( 2021) Cite this article Sleep characteristics across the lifespan in 1.1 million people from the Netherlands, United Kingdom and United States: a systematic review and meta-analysis
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