| Typicality: | 0.495 |
| Saliency: | 0.401 |
| commonly | 6 | temporal |
| in people | 5 | transitive-object |
| very | 3 | degree |
| melatonin → be used as → a sleep aid | 10 |
| melatonin → be → a natural sleep aid | 6 |
| melatonin → be used to treat → sleep disorders | 6 |
| melatonin → be → effective sleep aid | 5 |
| melatonin → be → popular sleep aid | 3 |
| negative | neutral | positive |
| 0.091 | 0.505 | 0.404 |
| Raw frequency | 30 |
| Normalized frequency | 0.401 |
| Modifier score | 0.729 |
| Perplexity | 7.346 |