Originally Posted by bzylzy
she has a 8-3:30 bedtime (gettting up about 6:30 am).

No insight on the other items, but my 8yo still needs about an hour more sleep than this. If your DD wakes cheerfully on her own at 6:30, she's almost certainly getting enough sleep, but mine is grouchily shaken awake at 7:30 if bedtime ran later than 8:30 the night before.