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Owensboro, KY
A 49-year-old female asked:

What might cause my jaw snap shut when i'm at rest? i also have other body jerks (mostly upper limbs) and all only happen when i am at rest. eeg and emg were both normal?

1 doctor answer1 doctor weighed in
Dr. Bennett Machanic
Neurology 52 years experience
My initial thought is MYOCLONUS. This could be associated with an epileptic syndrome, but could be benign of unclear etiology. Common to experience myoclonic jerks prior to falling asleep, and this does not require treatment usually. Suggest consultation with a sleep specialist if you wish to investigate further.

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Last updated Mar 1, 2021

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