While sleep requirements vary slightly from person to person, most healthy adults need between 7 to 9 hours of sleep per night to function at.
They reviewed thousands of published studies linking sleep duration and health. Adults should sleep 7 or more hours per night on a regular basis to promote optimal health. Some adults may need a longer sleep duration of more than 9 hours per night.
FOR IMMEDIATE& RELEASE National Sleep Foundation Email: 7-9 hours; Older adults (65+): Sleep range is 7-8 hours (new age category).
As people age they tend to have a harder time falling asleep and more trouble Many older adults, though certainly not all, also report being less satisfied with.