| Co-sleeping | Yes | 346(99.7) |
| No | 1(0.3) | |
| Parents’ co-sleeping | Same bed | 171(49.4) |
| Separate bed | 175(50.6) | |
| Sleeping problems | Continuous | 86(23.89) |
| Disturbed | 143(39.72) | |
| Emotional problems | 1 symptom | 141(40.7) |
| 2 or 3 symptoms | 97(27.9) | |
| None | 109(31.4) | |
| Behavioral problems | 1 symptom | 86(24.8) |
| 2 or 3 symptoms | 224(64.5) | |
| None | 37(10.7) | |
| Either behavioral and/or emotional problems | One or more symptoms | 331 (95.4) |
| None | 16 (4.6) |