1. Department of Nursing, College of Applied Medical Sciences, Majmaah University, Majmaah, Kingdom of Saudi Arabia;
2. Department of Pharmacy, College of Health Sciences, Mizan-Tepi University (Mizan Campus), Mizan-Aman, Ethiopia;
3. Department of Management, College of Business and Economics, Mizan-Tepi University (Mizan Campus), Mizan-Aman, Ethiopia;
4. Department of Economics, College of Business and Economics, Mizan-Tepi University(Mizan Campus), Mizan-Aman, Ethiopia;
5. Somnogen Canada Inc, Toronto, ON, Canada;
6. The University Sleep Disorders Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia;
7. National Plan for Science and Technology, College of Medicine, King Saud University, Riyadh, Saudi Arabia