| what are the symptoms of insomnia | 1.78 | 0.2 | 730 | 33 | 6 |
| what are the symptoms of insomnia disorder | 0.73 | 0.2 | 7957 | 42 | 27 |
| symptoms of insomnia | 1.56 | 0.9 | 8777 | 20 | 6 |
| fatal familial insomnia symptoms | 0.31 | 0.3 | 2021 | 32 | 38 |
| what are the symptoms of sleep insomnia | 1.28 | 0.8 | 8185 | 39 | 86 |
| what are the symptoms of chronic insomnia | 0.32 | 1 | 1930 | 41 | 98 |
| what are the symptoms of having insomnia | 0.32 | 0.3 | 8453 | 40 | 75 |
| what are the signs and symptoms of insomnia | 0.36 | 0.6 | 7741 | 43 | 83 |
| insomnia disorder symptoms | 1.23 | 0.7 | 7822 | 26 | 31 |
| insomnia disorder symptoms and causes | 0.01 | 0.7 | 6629 | 37 | 34 |
| insomnia disorder symptoms and complications | 1.68 | 0.4 | 470 | 44 | 71 |
| insomnia disorder symptoms and prevention | 1.06 | 0.8 | 9424 | 41 | 49 |
| insomnia disorder symptoms and types | 0.44 | 1 | 231 | 36 | 77 |
| insomnia disorder symptoms and comorbidities | 1.73 | 0.4 | 2483 | 44 | 51 |
| insomnia disorder symptoms and management | 0.06 | 0.6 | 1599 | 41 | 77 |
