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• n  a clonic spasm of a muscle or muscle group

• Many Americans suffer from nocturnal myoclonus, a condition in which their legs twitch throughout the night and break up their sleep.

News & Articles

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• South Florida Mother Fighting Rare Neurological Disorder
  A South Florida mother of three young daughters has been diagnosed with a rare neurological disorder called Opsoclonus Myoclonus Syndrome, otherwise known as OMS.
  Sept. 5, 2013 - CBS Miami