1 to 2 hours a day is healthy.
at least 3 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
Hours of what?
eight hours
7 hours a week, for champions
8 hours
3600 hours just kidding it is about 3500 seconds witch is 60 minutes witch is 1 hour
A four year old should sleep 12 hours a day
A nine year should be getting 9-12 hours of sleep.
7 year olds should do 10-16 reps of any exercise
10 to 11 year old girls need 8 full hours of sleep.
8 hours 12 year old should go to be 10 to 11