Sleep requirements vary with age. The average best sleep for a normal adult is seven and one-half to eight hours.
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.
The human body need a totall of 9 hours of sleep during the day or night to function correctly the next day.
human need 8-10 ours of sleep children need a little more 9-12 ours of sleep
every 90 minutes
How many hours does it sleep
a normal human should get from 6-8 hours of sleep, when excercising it is best if you get your full 8 hours, but don't sleep over 10 hours, it will cause brain sleep, which is basicly being tired, and lazy and feeling like your brain is numb.
Everyone was required 8 hours sleep a day, 8 glasses of water a day, for a complete function of the human body
if you mean how many hours you should sleep in a year it would be 3,650 hours of sleep for a regular year not a leap year
you must get atleast 9 hours of sleep
I sleep about 7 to 9 hours a day
about 10 hours of sleep
Its compulsary for a teen ager to sleep 8 hours..