Yaseen, R. .; Ghaffar, M. .; Imran, M. .; Waheed, A. .; Abbas, A. .; Mustafa, S. .; Khan, S. . Insomnia and Academic Performance: A Correlational Study of Undergraduate Students in District Okara, Pakistan. Biol Clin Sci Res J 2026, 7, 5-9.