UPADHYAY, D. B.; AGRAWAL, S. B.; VERMA, A.; MAHAJAN, N.; SHAH, N. Effect of prenap coffee on daytime sleepiness in university students. International Journal of Research in Medical Sciences, [S. l.], v. 8, n. 4, p. 1469–1474, 2020. DOI: 10.18203/2320-6012.ijrms20201344. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/7851. Acesso em: 14 oct. 2025.