An average adult needs between 7.5 and 8 hours of sleep per night. “But many people can function with 6 hours' sleep, and there also some who need 9 hours or more,” says Sudhansu Chokroverty.
How much sleep you need changes as you age. Age Group Recommended Hours of Sleep Per Day; Newborn: 0–3 months: 14–17 hours (National Sleep Foundation) 1 Badr MS, Belenky G, et al. Recommended amount of sleep for a healthy adult: a joint consensus statement of the American Academy of Sleep Medicine and Sleep Research Society.
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 their best. Children and teens need even more. And despite the notion that our sleep needs decrease with age, most older people still need at least 7 hours of sleep.
May 28, 2017 · The amount of sleep you need varies for each person and is affected by several factors. However, for most adults, 7–9 hours per night is the ideal amount.