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high stress and anxiety symptoms can cause benign fasciculations and twitching of small muscles and nerves under your skin anywhere in your body.
lack of sleep, excessive fatigue, dehydration, lack of potassium and magnesium in your system can do this as well.
you may benefit from more regular exercise and drinking more water and fluids to help decrease anxiety and help you sleep better at night time
these benign fasciculation twitching of your nerves and muscles are not dangerous.
let me know if you have questions.