Chahine, Krystel R., Nathalie R. Chahine, and Moni Nader. “Morning Exercise Improves Sleep Quality in University Students”. International Journal of Research in Medical Sciences 10, no. 9 (August 29, 2022): 1858–1864. Accessed October 15, 2025. https://www.msjonline.org/index.php/ijrms/article/view/10929.