Ostriches sleep sitting down, at dark, and sleep off and on through out the night.
How many hours does it sleep
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
I sleep about 7 to 9 hours a day
you must get atleast 9 hours of sleep
about 10 hours of sleep
Its compulsary for a teen ager to sleep 8 hours..
6 Hours of sleep is enough
You should sleep six hours in the morning.
they get 15 hours of sleep
they sleep about 3-6 hours a day
at least 9 or 10 hours to get enough sleep
about 10 hours