Medically reviewed by Jennifer Steinhoff, MD Key Takeaways Muscle twitching is often caused by stress or a lack of sleep and ...

The muscle twitch creates short, involuntary muscle contractions, which affect tiny muscle areas that lie beneath the skin.

Ever sit in a chair and feel twitching in your eye? Or maybe your calf muscle. You may suffer from benign fasciculation syndrome. Dr. Jerry Fleishman of Medstar Franklin Square Medical Center talks ...