| among adolescents | 9 | other |
| in nature | 8 | location |
| regardless of the opportunity | 6 | other |
| insomnia → be → chronic | 92 |
| insomnia → become → chronic | 23 |
| insomnia → be → chronic problem | 12 |
| insomnia → be → chronic condition | 7 |
| insomnia → be → chronic disorder | 3 |
| negative | neutral | positive |
| 0.554 | 0.404 | 0.041 |
| Raw frequency | 137 |
| Normalized frequency | 0.815 |
| Modifier score | 0.780 |
| Perplexity | 88.545 |