Sleep-related movement disorders should be differentiated from parasomnias, sleep-associated behavioral disorders, and epilepsy.Polysomnography (PSG) is the gold standard in evaluating such disorders.Periodic leg movement disorder during sleep (PLMS), hypnic jerks, bruxism, rhythmic movement disorder, restless Tan Mousse legs syndrome, and nocturnal leg cramps have broadly been discussed in the literature.However, periodic arm movement disorder in sleep (PAMS) is a less-appreciated entity perhaps because arm Gear Shift Products surface electromyography is not an integral part of the standard polysomnography.
Results from our PSG study in a case suspected for PAMS prompted us to herewith discuss this problem.