| Typicality: | 0.439 |
| Saliency: | 0.443 |
| during the long hours | 7 | temporal |
| to stay alert | 3 | purpose |
| for 18 hours | 3 | temporal |
| driver → stay → awake | 44 |
| driver → remain → awake | 6 |
| negative | neutral | positive |
| 0.315 | 0.509 | 0.175 |
| Raw frequency | 50 |
| Normalized frequency | 0.443 |
| Modifier score | 0.500 |
| Perplexity | 101.206 |