Fevi Padhila and Rachmad Aprilio 2025. Sleep Quality among Male University Students Who Use Conventional Cigarettes, Electronic Cigarettes, and Non-Smokers in Serang. Journal of Applied Psychology and Health Studies. 1, 1 (Jun. 2025), 8–10. DOI:https://doi.org/10.36312/japhas.v1i1.9.