This cluster of papers focuses on the epidemiology, diagnostic criteria, pathophysiology, and management of Restless Legs Syndrome (RLS). It covers topics such as the prevalence of RLS in different populations, the impact on quality of life, the role of iron and dopamine in its pathophysiology, genetic factors, and the management of RLS with various treatments including dopaminergic therapy. Additionally, it explores the association of RLS with other conditions such as pregnancy and neurological disorders.