At least 7 hours of sleep. Thnx for asking.
8 to 9at least
10 to 11 year old girls need 8 full hours of sleep.
Adults need 6 to 8 hours of sleep.
well... 12 years old supposed to sleep 8 hours a sleep.
At least 10
10 hours
about 8 hours
Assuming that none of the thirteen years is a leap year, there are 24 x 365 x 13 = 113880 hours in 13 years.
well it depends if you sleep 12 hours every day for 24 years you would have gotten about 12 years of sleep.
8 hours.
How many hours does it sleep
In general, at 55, you would need between 7 and 9 hours sleep for proper rest.