- Prevalence and pattern of sleep paralysis among population in Al-Ahsa, Saudi Arabia (N=360).
| Sleep paralysis prevalence | n | % |
|---|---|---|
| Previously had sleep paralysis | ||
| Yes | 360 | 68.7 |
| No | 164 | 31.3 |
| Consulted physician for sleep paralysis | ||
| Yes | 8 | 2.2 |
| No | 352 | 97.8 |
| How many times had sleep paralysis | ||
| 1-3 | 181 | 50.3 |
| 4-6 | 64 | 17.8 |
| >6 | 115 | 31.9 |
| Age at first sleep paralysis | ||
| 18-35 | 342 | 95.0 |
| 36-55 | 17 | 4.7 |
| >55 | 1 | 0.3 |