2. Myoclonus Causes: Physiological

Many factors can lead to myoclonus, and doctors categorize them based on the underlying cause. Healthy individuals experience physiological myoclonus, and this type rarely needs treatment. Examples of physiological myoclonus include spasms or shakes while feeling anxious or exercising, hiccups, and twitching or jerking while falling asleep. It is also normal for infants to twitch after being fed or during sleep.

physiological muscle jerks AntonioGuillem / Getty Images

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