8 hours
Adults need 6 to 8 hours of sleep.
Around 8 hours or more but you can sleep less if you wan to or need to so about 8 hours.
you should sleep about 8 or more hours from Amy lee
16 and over need to get at least 8 hours sleep :)
A 5 year old should sleep around 10 to 11 hours and adults should sleep around 7-8 hours.
You should always sleep exactly 9.835 hours per night with that Syndrome.
10-11 hours every night are the optimum hours of sleep an eight-year-old should get.
Pregnant woman should get good sleep. She should normally get 8 hours sleep in night. She should get 2 hours sleep in afternoon. This helps to conserve calories, apart of other advantages of the sleep.
about 10 hours of sleep
It would depend on ones age Ages 3-5 should get 11-13 hours of sleep. Ages 5-12 should get 9-11 hours. Ages 13-18 should get 8-9 hours. Age 19 and older should get 6-7 hours. Basically, the younger you are the more sleep you need.
My doctor has told me that tweens need 9 hours of sleep a night! A Sleep Doctor should tell you to sleep 10 hours of sleep not 9 hours. Now Adult can sleep up to 6 hours, there bodys don't need that much sleep:)
they're human aren't they? so wouldn't the answer be how many hours of sleep does a human need? and the answer is about 8 hours.