Restless legs syndrome has been recognized to be a common disorder as one of the sleep disturbances. The main symptom is an unpleasant and uncomfortable sensation frequently localized in the leg between the knee and the ankle. Patients find the nature of the discomfort difficult to describe and use words like creeping, pulling, stretching, restless sensations, aching and even pain. The authors report signs, symptoms, epidemiology, pathogenesis, treatment of the syndrome in this paper.