Oliwia Sójkowska-Sławińska, Tobiasz Sławiński, Anna Leśniewska, Patryk Macuk, and Natalia Rutecka. “POLYSOMNOGRAPHY VERSUS PORTABLE DEVICES AND MOBILE APPLICATIONS IN THE DIAGNOSIS OF OBSTRUCTIVE SLEEP APNEA: A NARRATIVE REVIEW OF CURRENT EVIDENCE”. International Journal of Innovative Technologies in Social Science, Vol. 3, no. 3(47), Sept. 2025, doi:10.31435/ijitss.3(47).2025.3861.