Koly KN, Muzaffar R, Monisha UK, Saba J, Rahman L, Billah MA, Das J, Rozars MF, Alam N, Chowdhury S, Abdullah R. Prevalence of insomnia among the post-menopausal women who suffered from COVID-19 in Bangladesh: A nationwide cross-sectional study. Heliyon. 2023 Mar 1;9(3).