12 hours
9o'clock
Since you are still growing, a 12 year old girl should get 9-10 hours of sleep a night.
9
12 year old girl needs only 8 hour uninterupted sleep good luck
At least 8 hours of sleep.
Eight hours.
2000 years
at least 8 hours sleep every night
A fourteen year old should get nine hours of sleep each night.
I think 8-hrs
About 7 to 8 hours.