18 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
At least 8 hours of sleep.
At least 8 hours of sleep.
9 or more hours
8 hours
Up to 10 hours
24 is best.
Well, it depends on your age. Adults should get 6-8 hours of sleep, while children should get at least 7-9 hours.