Trawka P, Bednarek H, Karło A, Hejnosz P, Walczak M, Graczykowska K, et al. Insomnia in elderly patients – various ways to manage. J Educ Health Sport [Internet]. 2019 Aug. 12 [cited 2025 Mar. 31];9(8):763-72. Available from: https://apcz.umk.pl/JEHS/article/view/7234