Arooj Rashid, Badeea Fatima, Sehar Shehzadi, Laiba Aslam, and Daud Afzal, “Investigating the Relationship Between Smartphone Addiction and Daytime Sleepiness Among Adults in Gujranwala”, ASSAJ, vol. 5, no. 01, pp. 1914–1919, Mar. 2026.