| in order to function themselves | 9 | purpose |
| each night | 3 | temporal |
| in the same way | 3 | manner |
| body → need → sleep | 12 |
| body → require → sleep | 6 |
| negative | neutral | positive |
| 0.336 | 0.541 | 0.124 |
| Raw frequency | 18 |
| Normalized frequency | 0.353 |
| Modifier score | 0.500 |
| Perplexity | 83.704 |