| Typicality: | 0.253 |
| Saliency: | 0.213 |
| following a lack of sleep | 2 | temporal |
| tyrosine → improve → alertness | 3 |
| tyrosine → increase → alertness | 3 |
| negative | neutral | positive |
| 0.004 | 0.218 | 0.778 |
| Raw frequency | 6 |
| Normalized frequency | 0.213 |
| Modifier score | 0.500 |
| Perplexity | 89.106 |