| very | 35 | degree |
| among adolescents | 13 | other |
| as an acute withdrawal symptom | 9 | manner |
| insomnia → be → common | 82 |
| insomnia → be → prevalent | 14 |
| insomnia → be → regular occurrence | 8 |
| insomnia → be → common occurrence | 5 |
| insomnia → be → frequent | 3 |
| negative | neutral | positive |
| 0.607 | 0.359 | 0.035 |
| Raw frequency | 112 |
| Normalized frequency | 0.772 |
| Modifier score | 0.500 |
| Perplexity | 53.726 |