| during sleep | 8 | temporal |
| spontaneously | 4 | manner |
| less than once per month | 4 | temporal |
| episode → can → occur | 20 |
| episode → can → happen | 5 |
| episode → occur for → some | 3 |
| negative | neutral | positive |
| 0.353 | 0.560 | 0.087 |
| Raw frequency | 28 |
| Normalized frequency | 0.331 |
| Modifier score | 0.300 |
| Perplexity | 389.348 |