Upadhyay, D. B.; Agrawal, S. B.; Verma, A. P.; Mahajan, N.; Shah, N. Evaluation of Prevalence of Daytime Sleepiness and Its Association With Chronotype in Undergraduate Medical and Paramedical Students: Evaluation of Prevalence of Daytime Sleepiness and Its Association With Chronotype. Natl J Integr Res Med 2019, 10, 10-17.