The following table shows the estimated amount of sleep different ages should get each night:
| Age | Recommended hours of sleep per night |
| 0-3 months | 14-17 hours (each day) |
| 4-11 months | 12-15 hours |
| 1-2 years | 11-14 hours |
| 3-5 years | 10-13 hours |
| 6-13 years | 9-11 hours |
| 14-17 years | 8-10 hours |
| 18-64 years | 7-9 hours |
| 65-over years | 7-8 hours |