Knowledge Tree
Relations (1)
related 3.00 — strongly supporting 7 facts
Sleep duration is a critical health metric for older adults, with research linking both short and long durations to cognitive decline [1], amyloid-β burden [2], and white matter hyperintensity {fact:6, fact:7}. Furthermore, specific sleep duration recommendations of 7-8 hours have been established for this demographic {fact:2, fact:3}.
Facts (7)
Sources
Impact of sleep duration on executive function and brain structure nature.com 3 facts
claimUsual sleep duration is linked to cognitive function in older adults in Spain, according to a 2009 study in the Journal of Sleep Research.
claimSleep duration is associated with white matter hyperintensity volume in older adults, as reported in the 2014 Northern Manhattan Study published in the Journal of Sleep Research.
claimRamos et al. found that sleep duration is associated with white matter hyperintensity volume in older adults in the Northern Manhattan Study.
Sleep Across the Lifespan: A Neurobehavioral Perspective link.springer.com 2 facts
claimWiner JR, Deters KD, Kennedy G, Jin M, Goldstein-Piekarski A, Poston KL, et al. found an association between both short and long sleep duration and Amyloid-β burden and cognition in aging adults, as reported in a 2021 study in JAMA Neurology.
measurementIn older adults, both excessively short sleep duration (less than 4 hours) and long sleep duration (over 10 hours) are associated with greater age-related cognitive decline.
How Much Sleep Do You Really Need? - National Sleep Foundation thensf.org 1 fact
measurementOlder adults (65+ years) require between 7 and 8 hours of sleep per night.
How much sleep do we really need? - ScienceDaily sciencedaily.com 1 fact
measurementThe National Sleep Foundation established a new age category for older adults aged 65 and older, recommending a sleep range of 7-8 hours.