GIEDZICZ, Katarzyna; ZIEMBA, Michał; OKOŃSKA, Aleksandra; KOZAKIEWICZ, Julia; MOŚ, Michał; ZIEMBA, Anna. How excessive smartphone and internet use affects sleep in children and young adults. Quality in Sport, [S. l.], v. 40, p. 59538, 2025. DOI: 10.12775/QS.2025.40.59538. Disponível em: https://apcz.umk.pl/QS/article/view/59538. Acesso em: 24 dec. 2025.