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Many people experience muscle twitches and spasms. A small, involuntary muscle twitch is a fasciculation, and more are the result of issues such as too much stress or lack of sleep. Some people are more prone to muscle twitches and may experience them after any amount of physical exertion. In rare cases, fasciculations and muscle spasms can be symptoms of neurological disorders. Treatments for neurological disorders are much more complex, and diagnosis may require extensive medical evaluation.

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1. Lack of Sleep

Insufficient sleep or sleep deprivation can have serious side effects depending on how long it lasts. Without sleep, many of the body’s functions fail to start or do not operate efficiently. One of the more general causes of muscle spasms is muscle overuse. The body cannot fully heal muscles without sleep, so the muscles become overworked and begin to twitch. Additionally, sleep helps regulate the chemicals responsible for mood, stress, and depression.

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