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Objective: To make scientifically sound and practical recommendations for daily sleep duration across the life span.
Methods: The National Sleep Foundation convened a multidisciplinary expert panel (Panel) with broad representation from leading stakeholder organizations. The Panel evaluated the latest scientific evidence and participated in a formal consensus and voting process. Then, the RAND/UCLA Appropriateness Method was used to formulate sleep duration recommendations.
Results: The Panel made sleep duration recommendations for 9 age groups. Sleep duration ranges, expressed as hours of sleep per day, were designated as recommended, may be appropriate, or not recommended. Recommended sleep durations are as follows: 14-17 hours for newborns, 12-15 hours for infants, 11-14 hours for toddlers, 10-13 hours for preschoolers, 9-11 hours for school-aged children, and 8-10 hours for teenagers. Seven to 9 hours is recommended for young adults and adults, and 7-8 hours of sleep is recommended for older adults. The self-designated basis for duration selection and critical discussions are also provided.
Conclusions: Consensus for sleep duration recommendations was reached for specific age groupings. Consensus using a multidisciplinary expert Panel lends robust credibility to the results. Finally, limitations and caveats of these recommendations are discussed.
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http://dx.doi.org/10.1016/j.sleh.2015.10.004 | DOI Listing |
JMIR Hum Factors
September 2025
School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
Background: Sleep duration plays a crucial role in cognitive health and is closely linked to cognitive decline. However, the relationship between sleep duration and cognitive function in the Chinese population remains poorly understood.
Objective: This study aims to evaluate the association between sleep duration and cognitive function among middle-aged and older adults in China.
Neurology
October 2025
Montreal Neurological Institute-Hospital, McGill University, Montreal, Canada.
Background And Objectives: Years before diagnosis of Parkinson disease (PD), dementia with Lewy bodies (DLB), or multiple system atrophy (MSA), mild prodromal manifestations can be detected. Longitudinal follow-up of people with prodromal synucleinopathy, particularly idiopathic/isolated REM sleep behavior disorder (iRBD), enables in-depth clinical phenotyping of early disease, which could facilitate stratification for clinical trials, provide the definition of appropriate end points, or predict phenoconversion more precisely. The aim of this study was to update and expand on previous studies assessing clinical evolution from iRBD to clinically diagnosed disease, up to 14 years before diagnosis.
View Article and Find Full Text PDFBackground Uninvestigated dyspepsia (UD) and chronic constipation (CC) are common disorders of gut-brain interaction (DGBI). However, limited research has assessed their risk factors in young adults, particularly the influence of family history. This study investigated the associated factors for UD and CC, focusing on family history among Japanese university students.
View Article and Find Full Text PDFJAMA Intern Med
September 2025
Bayer CC AG, Basel, Switzerland.
Importance: There is an unmet need for long-term, safe, effective, and hormone-free treatments for menopausal symptoms, including vasomotor symptoms (VMS) and sleep disturbances.
Objective: To evaluate the 52-week efficacy and safety of elinzanetant, a dual neurokinin-targeted therapy, for treating moderate to severe VMS associated with menopause.
Design, Setting, And Participants: OASIS-3 was a double-blind, placebo-controlled, randomized phase 3 clinical trial that was conducted at 83 sites in North America and Europe from August 27, 2021, to February 12, 2024, and included postmenopausal women aged 40 to 65 years who were seeking treatment for moderate to severe VMS (no requirement for a minimum number of VMS events per week).
Curr Addict Rep
December 2025
Syracuse University Department of Psychology, 352 Marley Educational Building, Syracuse, NY 13244.
Purpose Of Review: This paper aimed to estimate pooled bi-directional associations between multidimensional sleep health and substance use among youth and investigate whether these associations differed as a function of race/ethnicity.
Recent Findings: Empirical observational studies providing quantitative data on the association of sleep health (duration [sleep obtained per 24 hours], satisfaction [subjective assessment of sleep], alertness [ability to maintain attentive wakefulness], and timing [placement of sleep]) and substance use (i.e.