average reccomended sleep hours for a teenager is 9 to 10 hours.
9
they get 15 hours of sleep
8 hours
Eleven
People in the 1900s slept an average of nine hours a night. In the 1970s the average amount of sleep was down to seven hours.
Children should get at least 8-10 hours of sleep each night, but, on average, children normally get about 9 hours of sleep on school nights.
An average 6th grader needs about 9-11 hours of sleep per night for optimal health and development.
Sleep requirements are dependent mainly on age and activity level. A baby normally has around 12 to 14 hours sleep; a teenager (12- to 17-year-old) should have 9 to 10 hours; an adult can normally get away with 8 hours of sleep.Adults need 7-9 hours of sleep. If still tired they should sleep even more.normally eight hours
7-9 hours
8-9 hours
The Amount Of Sleep Your Eyes Need Each Day Is Twelve Hours For An Average Woman/Man.