HAMERLA, Anna; GAWRON, Julia; SZYDŁOWSKI, Radosław; BODERA, Magdalena; PORWOLIK, Hanna; HAMERLA, Dominika; CZARNECKI, Bartłomiej; KAŹMIERSKA, Anna; GRAJCAREK, Łukasz. THE EFFECT OF EXCESSIVE SMARTPHONE USE ON MENTAL WELLBEING, SLEEP QUALITY AND ACTIVE LIFESTYLE BEHAVIOURS. International Journal of Innovative Technologies in Social Science, [S. l.], v. 2, n. 2(50), 2026. DOI: 10.31435/ijitss.2(50).2026.4759. Disponível em: https://rspublisher.org/index.php/ijitss/article/view/4759. Acesso em: 15 jun. 2026.