Aleksandra Anna Strzelecka, Aleksandra Ewa Basak, Sandra Khiralla-Gawlik, Agnieszka Kwiatkowska, Kinga Teper, Patrycja Świercz, Ewelina Mączka, Konrad Strużek and Wiktor Tracz 2025. SLEEP AND MENTAL HEALTH: THE RELATIONSHIP BETWEEN SLEEP DISORDERS AND DEPRESSION. International Journal of Innovative Technologies in Social Science. 5, 3(47) (Sep. 2025). DOI:https://doi.org/10.31435/ijitss.3(47).2025.3670.