A 10 year old needs about 10 hours of sleep each night.
A nine year should be getting 9-12 hours of sleep.
16 and over need to get at least 8 hours sleep :)
at least EIGHT FULL HOURS :]
You should sleep six hours in the morning.
A preteen should get around 9 hours of sleep.
They should have 8 or more hours of sleep in a day.
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
a cat shauld sleep 10-15 hours.
At least 8 hours of sleep.
At least 8 hours of sleep.
9 or more hours
8 hours