Preferably eight to ten hours...lack of sleep will effect the child in a huge way, so avoiding this is necessary.
8 hours
A eleven year old should get a minimum of 12 hours of organisms
No anything can happen
An eleven year old boy should have 2,300 mg a day
8 to 10 hours is the best for then to do... 11 might be just a bit too much
10 =]
at least EIGHT FULL HOURS :]
There really is no specific limit to how much a fourteen year old boy should weigh. It depends on how tall you are, because if you were 5' 9", you should weigh more than a fourteen year old boy who is 5' 2".
Around 8-9 hours sleep a night is best. As teenagers need enough sleep to get all there energy back
at least 8 hours of sleep
279 - 280
you should know.