| insomnia → IsA → problem | 0.56 | |
| insomnia → IsA → a sleep disorder | 0.52 | |
| insomnia → IsA → condition | 0.50 | |
| insomnia → IsA → common problem | 0.47 | |
| insomnia → IsA → common sleep disorder | 0.43 | |
| insomnia → IsA → the most common sleep disorder | 0.42 | |
| insomnia → IsA → complex condition | 0.38 | |
| insomnia → IsA → major problem | 0.35 | |
| insomnia → IsA → constant problem | 0.33 | |
| insomnia → IsA → bigger problem | 0.23 | |
| insomnia → IsA → a 24-hour problem | 0.16 | |
| insomnia → IsA → heterogeneous disorder | 0.16 |