lowes1 on July 30th, 2009

How Much Sleep Is Enough?
Sleep needs vary from person to person, and they change throughout the lifecycle. Most adults need 7–8 hours of sleep each night. Newborns, on the other hand, sleep between 16 and 18 hours a day, and children in preschool sleep between 10 and 12 hours a day. School-aged children and teens [...]

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