Martyna Susek, Amadeusz Furmanek, Mariusz Suchcicki, & Karol Krupiniewicz. (2026). THE SIGNIFICANCE OF SLEEP DISTURBANCES IN THE CLINICAL AND PSYCHOSOCIAL PRESENTATION OF DEPRESSION - NARRATIVE LITERATURE REVIEW. International Journal of Innovative Technologies in Social Science, 2(1(49). https://doi.org/10.31435/ijitss.1(49).2026.5035