Periodic limb movement disorder (PLMD) is one of the commonest neurological 
disorders and causes significant disability, if left untreated. However, it is 
rarely diagnosed in clinical practice, probably due to lack of awareness and/or 
lack of necessary diagnostic facilities. Restless leg syndrome (RLS), aging, 
pregnancy, uraemia, iron deficiency, polyneuropathy are some of the common 
causes of secondary PLMD. Clinical presentation, polysomnographic findings and 
management of six patients of PLMD have been discussed in this report.