Sykut, Anna, Barbara Ślusarska, Bernadeta Jędrzejkiewicz, and Grzegorz Nowicki. “Sleep Disorders As a Common Social Problem - Selected Determinants and Health Consequences”. Nursing in the 21st Century 16, no. 2(59) (November 28, 2017): 53–57. Accessed June 16, 2025. https://czasopisma.umlub.pl/piel21w/article/view/114.