| Typicality: | 0.428 |
| Saliency: | 0.417 |
| at night | 5 | temporal |
| for longer | 2 | temporal |
| melatonin → fall → asleep | 16 |
| melatonin → stay → asleep | 13 |
| melatonin → go to → sleep | 4 |
| negative | neutral | positive |
| 0.204 | 0.426 | 0.370 |
| Raw frequency | 33 |
| Normalized frequency | 0.417 |
| Modifier score | 0.500 |
| Perplexity | 55.840 |