Oczkowska, Wiktoria, Diana Morawska, Przemysław Dominik Drabik, Alex Malinowski, Klaudia Marchewka, Radosław Sochocki, Wiktoria Białek, Agata Sadowska, Aleksandra Katarzyna Pelczar, and Kacper Bartosik. “Evaluating the Role of Insomnia in the Clinical Manifestation of Irritable Bowel Syndrome”. Journal of Education, Health and Sport 90 (April 14, 2026): 70392. Accessed April 21, 2026. https://apcz.umk.pl/JEHS/article/view/70392.