TRAWKA, Paulina et al. Insomnia in elderly patients – various ways to manage. Journal of Education, Health and Sport, [S. l.], v. 9, n. 8, p. 763–772, 2019. Disponível em: https://apcz.umk.pl/JEHS/article/view/7234. Acesso em: 31 mar. 2025.