| 2 - 4 years (n = 17) | 5 - 12 years (n = 149) | 13 - 18 years (n = 86) |
| M (SD) | M (SD) | M (SD) |
Sleep Duration (hours) | 8.32 (1.32) | 8.14 (1.68) | 7.28 (1.54) |
Sleep Latency (minutes) | 63.68 (57.32) | 50.49 (46.40) | 57.54 (74.13) |
Night Wakings (number per night) | .68 (.90) | 1.02 (1.81) | 1.13 (1.20) |
Nightmares (number per week) | 0.62 (0.77) | 0.73 (2.00) | 1.94 (5.66) |