Amount of sleep needed by age

Age

Approximate amount of sleep needed:

Newborn 16 to 20 hours per day
3 weeks 16 to 18 hours per day
6 weeks 15 to 16 hours per day
4 months 9 to 12 hours plus two naps (2 to 3 hours each)
6 months 11 hours plus two naps (1 1/2 to 2 1/2 hours each)
9 months 11 to 12 hours plus two naps (1 to 2 hours each)
1 year 10 to 11 hours plus two naps (1 to 2 hours each)
18 months 13 hours plus one or two naps (1 to 2 hours each)
2 years 11 to 12 hours plus one nap (2 hours)
3 years 10 to 11 hours plus one nap (2 hours)
4 to 5 years 10 to 12 hours. Usually no nap.