Raja Zohaib Ghafoor, Sundus Nawaz, Tehreem Zahra, Tehreem Abdul Hakeem 2022. Effect of Smartphone Addiction on Academic Performance; Mediation of Self-Regulation and Bedtime Procrastination. Pakistan Journal of Medical & Health Sciences. 16, 09 (Nov. 2022), 618. DOI:https://doi.org/10.53350/pjmhs22169618.