you must get atleast 9 hours of sleep
How many hours does it sleep
they sleep for 10 hours a day they sleep for 10 hours a day
they need about 6 hours of sleep
Elephants sleep for 2 hours
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
They sleep upto 18 hours a day.
about 10 hours of sleep
I sleep about 7 to 9 hours a day
About 8 to 12, depending on your age. :)You must sleep, otherwise you will feel ill and especially if your brain hasn't rested enough.
Its compulsary for a teen ager to sleep 8 hours..
astranauts sleep about 4 to 7 hours
You should sleep six hours in the morning.