Alqahtani, Ali F., and Ahmad F. Alqahtani. “The Association Between Sleep Duration and Mortality: A Review Article”. International Journal of Psychosocial Rehabilitation 24, no. 8 (October 31, 2020): 16064–16075. Accessed September 3, 2026. https://psychosocial.com/index.php/ijpr/article/view/12305.