Makaryczew, Mikołaj, Zuzanna Kowalczyk, Kacper Wrzosek, Paulina Gumółka, Kacper Ponikowski, Piotr Kowalewski, Natalia Kowalczyk, Agata Bukowska, Kornelia Kuchta, and Wiktor Słyś. “Problematic Smartphone Use, Sleep Quality, Recovery and Athletic Performance: A Narrative Review ”. Quality in Sport 77 (October 10, 2026): 76194. Accessed October 11, 2026. https://apcz.umk.pl/QS/article/view/76194.