I think you mean why should a 13 year old should go to sleep. If you do, then its important because without sleep your brain doesn't function properly because of lack of rest.
13 hours sleep per day?
The average 13 year old should get 9 hours of sleep per night. This is very important. A person that does not get enough sleep will often be sick more often than people who do get enough sleep.
i have about 8.5 to nine hours
9 hours
13 hours
13 year olds should sleep at least 8-10 hours. If you don't get at least 8 hours, you won't get your full rest.
7-9 hours
Depends on the age of the child. New Born to 3 years old should get 12-18 hours of sleep 3 Year to 5 year olds should get 11-13 hours of sleep 5 year to 12 year old should get 10 -12 hours of sleep 12- 18 year olds should get 8.5 -10 hours of sleep 18 and up should get 7.5 - 9 hours of sleep
6 - 10 Im 13 and usually get around 7
Discharge.
we should get 8 to 9 hours a night so about 60 hours a week.
12 hours sleep needed