For most adults, 7 to 8 hours a night appears to be the best amount of sleep, although some people may need as few as 5 hours or as many as 10 hours of sleep each day. read more
Teenagers need about 8.5-9.5 hours on average. Most adults need 7 to 9 hours a night for the best amount of sleep, although some people may need as few as 6 hours or as many as 10 hours of sleep each day. read more
The National Sleep Foundation released the results of a world-class study that took more than two years of research to complete – an update to our most-cited guidelines on how much sleep you really need at each age. read more