| OSA | Obstructive Sleep Apnea |
| PMS | percentage mean score |
| PAP | positive air pressure |
| AHI | apnea-hypopnea index |
| KAMC | King Abdulaziz Medical city |
| MNGHA | Ministry of National Guard-Health Affairs |
| KAIMRC | King Abdullah International Medical Research Center |
| IRB | Institutional Review Board |