| Age Group | Minimum | Maximum | Optimal |
|---|---|---|---|
| Infant (0-3 ay) | 14 hours | 17 hours | 15.5 hours |
| Baby (4-11 ay) | 12 hours | 15 hours | 13.5 hours |
| Walking Age (1-2 yaş) | 11 hours | 14 hours | 12.5 hours |
| PreSchool (3-5 yaş) | 10 hours | 13 hours | 11.5 hours |
| School Age (6-13 yaş) | 9 hours | 11 hours | 10 hours |
| Young (14-17 yaş) | 8 hours | 10 hours | 9 hours |
| Adult (18-64 yaş) | 7 hours | 9 hours | 8 hours |
| Old (65+ yaş) | 7 hours | 8 hours | 7.5 hours |