Ambreen Anjum and Mamoona Mushtaq (2024) “Sleep Quality, Psychological Health and Academic Performance among Medical Students in Lahore, Punjab, Pakistan”, Pakistan Journal of Medical Research, 63(1), pp. 13–16. Available at: https://www.pjmr.org.pk/index.php/pjmr/article/view/354 (Accessed: 25 August 2026).