Abstract
Sleep is universally encountered, and complaints about its disruption are common. Included in this list are a variety of movement abnormalities that occur in association with sleep. Often misdiagnosed, many of these problems are disruptive and affect the quality of life. This chapter reviews the sleep–wake cycle and divides sleep-related movement disorders into three major categories: I. Involuntary movements that occur around the time of sleep (myoclonus, those associated with dyssomnias, parasomnias, and other); II. Hyperkinetic movement disorders that are present during the daytime and persist during sleep; III. Seizures during and around the time of sleep. This chapter emphasizes the first category describing salient clinical features, and pathophysiology, diagnosis, and treatment are emphasized.
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