RESTLESS LEGS SYNDROME. Restless legs syndrome polysomnography. Restless legs syndrome is a sleep disorder expresses itself by restlessness or swarmings of the legs during the sleep, verily in period of wakefullness. This pathology is probably of neurological origin hyperexcitability or impossibility to put the nervous system at rest. Those swarmings generate periodic involuntarily movements in the legs during sleep and can be source of insomnia. Polysomnography is the recording of various biolo