Short answers: 10-12 hours.
All children are different. On the weekends how long does your child sleep without an alarm clock? If they sleep for 11 hours without an alarm clock, then that is how much sleep they need everyday. I believe the recommended amount of sleep for children is between 10 to 12 hours. This means that if school starts at 9 AM and they have to be up at 8 AM to get ready, they have to be assleep at 8 PM, which means they have to get ready for bed at 7:30 pm. Strict bed times are a must for children to succeed in school.
Kids ages 6 to 9 need about 10 hours of sleep a night.
The average amount of sleep for an 8 year old should be 8-10 hours per 24 hour period.
The average kid should sleep at least 10 hours if possible. The average kid should sleep at least 10 hours if possible.
An average 8 year old needs about 10-12 hours of sleep or daily rest.
9 to 10 hours Between eight and ten.
7-9 hours
10
about 8 to 10 hours of sleep
8 hours,,,...
12 hours
I'm quite sure they need at least 7 hours.
Children need 8 hours.
9 - 10 hours
8 - 10 hours.
Depends on the length of your "sleep cycles", but generally 7-9 hours.
10-11 hours every night are the optimum hours of sleep an eight-year-old should get.
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Most adults, including those who are 68 years old, generally need 7-9 hours of sleep per night for optimal health and well-being. Individual sleep needs can vary, so it's important to listen to your body and adjust accordingly.
if you mean how many hours you should sleep in a year it would be 3,650 hours of sleep for a regular year not a leap year