Qayyum, Shazia, Samina Iltaf, Madiha Sajjad, and Mashaal Azam. “Association of Sleep Patterns and Water Intake With Cognitive Functions in Adults in an Urban Environment”. Pakistan Journal of Medical Sciences 40, no. 4 (February 3, 2024). Accessed May 17, 2024. https://www.pjms.org.pk/index.php/pjms/article/view/8268.