I would try to find the root of the Anxiety. A trusted love one should try talking with the child. Or if it possibly could be simply an anixety problem, it might be worth it to mention it to a family doctor or a local health nurse.
If the 10 year old need's alot of sleep, then it would be 8:30. That's their average bedtime.
6:00.
10
10 am
A good time for a 12 year olds bedtime would be around half ten.
About 8.30 pm
2 oclock in the morning
9:30
MOm say's by 9:30
i think about 9:30 is a good bed time for 9 or 10 year old
7:30 pm
The National Sleep Foundation recommends that 12 year olds get 9-11 hours of sleep per night, so a good bedtime for a 12 year old would be around 8-9 pm. It's important to establish a consistent bedtime routine to help them wind down and get the rest they need.