For a 7 yr old, the recommended sleep hours should be between 10-11 hours. Below is a quick chart that you can refer to for the amt of sleep hrs needed for the different age groups.
1-4 weeks old 15 1/2 - 16 1/2 hours 1-4 months old 14 1/2 - 15 1/2 hours 4-12 months old 14-15 hours 1-3 years old 12-14 hours 3-6 years old 10 3/4 - 12 hours 7-12 years old 10-11 hours 12-18 years old 8 1/4 - 9 1/2 hours
