| Typicality: | 0.569 |
| Saliency: | 0.677 |
| often | 32 | temporal |
| usually | 30 | degree |
| during the night | 29 | temporal |
| symptom → be → experienced | 296 |
| symptom → be → felt | 147 |
| symptom → be felt by → the patient | 8 |
| symptom → be likely to → felt | 3 |
| negative | neutral | positive |
| 0.459 | 0.492 | 0.049 |
| Raw frequency | 454 |
| Normalized frequency | 0.677 |
| Modifier score | 0.593 |
| Perplexity | 132.013 |