Table 1.
Sleep disorders based on the SLEEP-50 questionnaire
| Disorder | Items | Subscore |
|---|---|---|
| Obstructive Sleep Apnea | 1–8 | ≥15 |
| Insomnia | 9–16 | ≥19 |
| Affective disorder | 10, 11, 43, 44 | ≥12 |
| Sleep state misperception | Insomnia, estimated hours slept <4 | ≥19 |
| Narcolepsy | 17–21 | ≥7 |
| Restless legs syndrome/Periodic limb movement disorder | 22–25 | ≥7 |
| Circadian rhythm disorder | 26–28 | ≥8 |
| Sleep walking | 29–31 | ≥7 |
| Nightmares | 32 33–35 |
≥3 ≥9 |
| Hypersomnia | 44–50 | No item or ≥15 on impact of sleep disorder on daily functioning |
| All sleep disorders | ≥15 on impact of sleep disorder on daily functioning |