| Typicality: | 0.394 |
| Saliency: | 0.339 |
| generally | 2 | degree |
| melatonin → be involved in → sleep | 7 |
| melatonin → be associated with → sleep | 7 |
| melatonin → be → a sleep regulator | 4 |
| melatonin → be responsible for → regulating sleep | 3 |
| negative | neutral | positive |
| 0.161 | 0.732 | 0.107 |
| Raw frequency | 21 |
| Normalized frequency | 0.339 |
| Modifier score | 0.500 |
| Perplexity | 12.223 |