BARTOSZEK, Adrian; SZALAST, Kamil; SAGAN, Andrzej; KORGA, Wojciech. Analysis of selected factors related to sleep disorders on a group of older people. Journal of Education, Health and Sport, [S. l.], v. 8, n. 9, p. 584–592, 2018. Disponível em: https://apcz.umk.pl/JEHS/article/view/5928. Acesso em: 1 feb. 2026.