They should sleep at 9:35pm.
12:30
10:00pm
Whatever time before midnight!
about 9:30 p.m.
A nine-year-old should have about 9-11 hours sleep each night.
A four year old should sleep 12 hours a day
A ten year old should sleep at least 8 to 9 hours a day.
Whenever they want to, they are 50 yrs old and know when to go to sleep.
It is very important for the physical and mental health of a child to get enough sleep. A five year old should get 10 to 11 hours of sleep.
no
A 17 year old man should have about 7.5-8 hours of sleep each night.