Adults/Older Persons on average: 7-9 hours
Adolescents: 8.5-9.5 hours
Toddlers/Children:*
12-18 months: 13-15 hours
18-months - 3yrs: 12-14 hours
3-5 years: 11-13 hours
5-12 years: 9-11 hours
Infants/Babies:*
0-2 months: 10.5-18.5 hours
2-12 months: 14-15 hours
*Total time includes naps.
Information provided by the National Sleep Foundation.