concept

sleep quantity

Facts (11)

Sources

Short- and long-term health consequences of sleep disruption dovepress.com Goran Medic, Micheline Wille, Michiel EH Hemels · Dove Press May 19, 2017 3 facts

referenceCappuccio et al. (2010) conducted a systematic review and meta-analysis on the quantity and quality of sleep and the incidence of type 2 diabetes, published in Diabetes Care.

referenceThe HIPOP-OHP Research Group (2007) studied the relation between sleep quality and quantity, quality of life, and the risk of developing diabetes in healthy workers in Japan, published in BMC Public Health.

claimSleep disruption, defined as deficits in the quantity, quality, or continuity of sleep, is caused by a variety of factors including lifestyle choices, environmental factors, sleep disorders, and other medical conditions.

How sleep affects mental health (and vice versa) - Stanford Medicine med.stanford.edu Stanford Medicine Aug 11, 2025 2 facts

claimSleep timing, in addition to sleep quantity, is a factor in mental health.

claimStanford Medicine-led research indicates that sleep timing, in addition to sleep quantity, is a significant factor for mental health.

How Much Sleep Do You Need? - Sleep Foundation sleepfoundation.org Sleep Foundation Jul 11, 2025 2 facts

claimThe Sleep Foundation asserts that sleep quality is as important as sleep quantity, noting that low-quality or fragmented sleep can be as harmful as a reduced quantity of sleep.

claimSleep quality is as important as sleep quantity, as low-quality sleep is often restless or disrupted and less refreshing than solid, continuous sleep.

Sleeping Hours: What Is the Ideal Number and How Does ... - PubMed pubmed.ncbi.nlm.nih.gov PubMed Nov 27, 2018 1 fact

claimBeyond sleep quantity, important sleep characteristics to consider include sleep quality and sleep timing, such as bedtime and wake-up time.

Associations Between Sleep Duration and Cognitive Function ... humanfactors.jmir.org JMIR Human Factors 1 fact

referenceMiller et al. (2014) published 'Cross-sectional study of sleep quantity and quality and amnestic and non-amnestic cognitive function in an ageing population: the English Longitudinal Study of Ageing (ELSA)' in PLoS One, which analyzes the impact of sleep quantity and quality on cognitive function in an aging population.

How many hours of sleep are enough for good health? - Mayo Clinic mayoclinic.org Mayo Clinic 1 fact

claimSleep quality is as important as sleep quantity, and frequently interrupted sleep indicates poor quality.

Impact of sleep duration on executive function and brain structure nature.com Nature Mar 3, 2022 1 fact

claimExtremes of sleep quantity and disruption of sleep characteristics are associated with poor memory and an increased risk of dementia.