How much sleep do you need?
How much sleep you need depends on many factors, especially age. Newborns usually sleep most, 16 hours a day. Children in preschool should sleep for 11 hours, and the children who go to school – 10.
Although teens often want to sleep like babies, they are enough 9 hours of sleep. Most adults are well rested and wake up after 7-8 hours sleep.
