1. Department of Internal Medicine, College of Medicine, Al Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
2. Department of Family Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia
3. Department of Medicine, Ipswich Hospital NHS Trust, University of Suffolk, Ipswich, UK
4. University Sleep Disorders Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia, Saudi Arabia
5. Strategic Technologies Program, National Plan for Sciences and Technology and Innovation, Riyadh, Saudi Arabia