Khan, Saadat Ali, Muhammad Zaheer, Saadia Aiza, and M. A Hafeez. “SLEEP AND WAKEFULNESS DURING HOLY MONTH OF RAMADAN”. Pakistan Journal of Physiology 2, no. 2 (December 31, 2006): 15–19. Accessed November 21, 2024. https://pjp.pps.org.pk/index.php/PJP/article/view/677.