uhh, for your information, you should go to the nine year old girl and ask her " how much do you need to sleep" I think tht will help . wow, you have to think, well how much do YOU need to sleep. & then come to a nine year old girl. cuz duh EVERYONE needs to sleep for like 8 till 9 hours. THINK NEXT TIME !! sholoon khara
from 8 to 11 hours for additional information go to: beinggirl.com
Minimum 6 hours sleep in a day is good for nine year old girl's health.
According to Dr. Richard Ferber in his book "Solve Your Child's Sleep Problems," an 8-year-old requires between 9.75-10.75 hours of nighttime sleep.
I am a 12 year old girl, and my mom says 10-12 hours. I normally need about that much, and I feel awake the rest of the day. Hope this helps!
Well the answeris 10-12 hours each day because you need to have fun at night but still get sleep.
Eight hours.
Since you are still growing, a 12 year old girl should get 9-10 hours of sleep a night.
How much sleep does a 11 year old need of sleep Optimally, 8-10 hours is what you should be looking at around 11 years of age.
Around 8-9 hours sleep a night is best. As teenagers need enough sleep to get all there energy back
8 hours
alot