| Typicality: | 0.536 |
| Saliency: | 0.442 |
| to help | 5 | purpose |
| with increasing around two hours | 4 | temporal |
| by the pineal gland | 3 | other |
| melatonin → be produced at → night | 25 |
| melatonin → be produced in → darkness | 6 |
| melatonin → be produced in → the dark | 4 |
| melatonin → be produced by → darkness | 3 |
| negative | neutral | positive |
| 0.084 | 0.735 | 0.181 |
| Raw frequency | 38 |
| Normalized frequency | 0.442 |
| Modifier score | 0.800 |
| Perplexity | 60.800 |