Reveena Rameeza, B., Varghese, M., Joy, L., Abraham, K., Shihab, M. H. and Benazeera, B. (2022) “Impact of smartphone usage on quality of sleep among undergraduate students of a south Indian University”, International journal of health sciences, 6(S2), pp. 5107–5114. doi: 10.53730/ijhs.v6nS2.6207.