Nocturnal Myoclonus Syndrome

Overview

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Is a:

Disease or Syndrome

Definition:

Excessive periodic leg movements during sleep that cause micro-arousals and interfere with the maintenance of sleep. This condition induces a state of relative sleep deprivation which manifests as excessive daytime hypersomnolence. The movements are characterized by repetitive contractions of the tibialis anterior muscle, extension of the toe, and intermittent flexion of the hip, knee and ankle. (Adams et al., Principles of Neurology, 6th ed, p387)

Synonyms:

Excessive Periodic Sleep Related Leg Movements
Excessive Periodic Sleep-Related Leg Movements
Myoclonus Syndrome, Nocturnal
Myoclonus Syndrome, Sleep
Myoclonus Syndromes, Sleep
Nocturnal Myoclonus Syndromes
Periodic Leg Movements, Excessive, Sleep-Related
Periodic Limb Movement Disorder
Periodic Movement Disorder, Sleep
Sleep Disorder, Periodic Movements
Sleep Myoclonus Syndrome
Sleep Myoclonus Syndromes
Sleep Related Periodic Leg Movements, Excessive
Sleep-Related Periodic Leg Movements, Excessive
Syndrome, Nocturnal Myoclonus
Syndrome, Sleep Myoclonus
Syndromes, Sleep Myoclonus

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