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Hypnic jerk - Wikipedia, the free encyclopedia
A hypnic or hypnagogic jerk is an involuntary myoclonic twitch which occurs during hypnagogia, just as the subject is beginning to fall asleep. Physically, hypnic jerks resemble the "jump" made wh...
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Myoclonus - Wikipedia, the free encyclopedia
Myoclonus (pronounced /maɪˈɒklənəs/ ) is brief, involuntary twitching of a muscle or a group of muscles. It describes a medical sign and, generally, is not a diagnosis of a disease. The myoclo...
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Hypnagogic hallucinations; hypnagogic image; Hypnagogic imagery; Hypnagogic imagery; Hypnagogic jerk; Hypnagogic myoclonus; Hypnagogic myoclonus; Hypnagogic myoclonus;
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Twitches while falling asleep are called hypnagogic myoclonus, myoclonus being any sort of involuntary muscle spasm and hypnagogic referring to sleep. The twitches occur during very light sleep as the conscious brain gradually relinquishes control of the motor functions.
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n medical parlance, the twitching is called hypnagogic myoclonus (the first word refers to sleep and the second to muscle twitches). Myoclonus refers to any kind of muscle twitching. A hiccup, believe it or not, is a kind of myoclonus.
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My hypnagogic myoclonus is going to kill me or my wife pretty soon. Mundane Pointless Stuff I Must Share (MPSIMS)
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Myoclonus Information Page: National Institute of Neurological Disorders and Stroke (NINDS) (NINDS) ... Myoclonic jerk and Hypnagogic jerk [Sleep] (Neurology and Neurosurgery Forum)
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