Abdullah Sayed, M., M. Sadikuzzaman, Hasan Al Mahdi, Shatorupa Bhattacharjee, M. Mubin Uddin Akhanji, and Parvej Mia. “Effects of Bedtime Smartphone Use on Sleep Quality Among Medical Students: A Cross-Sectional Study”. International Journal of Research in Medical Sciences 14, no. 8 (July 30, 2026): 3220–3224. Accessed July 31, 2026. https://www.msjonline.org/index.php/ijrms/article/view/17135.