Anonymous wrote:9 year old - 8:45-7:00 or just a bit more than 10 hours.
Anonymous wrote:9yo 11 hrs
12yo 10 hrs
Anonymous wrote:I have a 9 and 12 yo. Both are athletic. They get between 9 and 12 hours each night. Late practice nights or early weekend games are the nights with 9 hours. They go to bed early if they have a night where they are home and tired and sometimes will sleep 12 hours.