The COVID-19 pandemic has resulted in both high mortality rates and a decrease in the response of health services worldwide. Many people changed their lifestyles due to the deterioration of their health both during the acute and post-illness stages. Depression, and especially sleep disorders, deserve attention due to their high prevalence within the so-called post-COVID-19 syndrome because they are associated with a deterioration in the quality of life of those affected. Knowing its prevalence and understanding its pathophysiology, clinical spectrum and treatment methods remain matters of research. The objective of this narrative review is to present the latest findings on sleep disorders as manifestations of post-COVID-19 syndrome. For this purpose, scientific literature was consulted using three databases—PubMed, Scopus and SciELO—resulting in a total of 867 articles, which were re...