The amount of sleep you need depends on many factors, especially your age. Newborns sleep between 16 and 18 hours a day and preschool children should sleep between 10 and 12 hours. Older children and teens need at least nine hours to be well rested. For most adults, seven to eight hours a night appears to the best amount of sleep. However, for some people, "enough sleep" may be as few as five hours or as many as 10 hours of sleep.
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