my DS who si 10 also, goes to bed at 7:30 reads for 30 minutes lights off at 8.
he usually isn't asleep till 9ish, and he isnt allowed up or lights on till 7:15 on weekdays and 8 on weekends.

he si usually awake but he needs to la there and rest.
otehrwise he woudl eb up at 6 and grumpy.

maybe take anything eh si able to play with out after bed time..
we took torches and that away as DS would read under teh covers lol