| very | 8 | degree |
| for insomnia | 8 | purpose |
| to those with mild anxiety | 8 | transitive-object |
| valerian → be → helpful | 23 |
| valerian → be → useful | 20 |
| negative | neutral | positive |
| 0.057 | 0.345 | 0.598 |
| Raw frequency | 43 |
| Normalized frequency | 0.870 |
| Modifier score | 0.600 |
| Perplexity | 96.946 |