Having muscle pain and restless feeling at night. started with a twitch in (l) thumb for 2wks. i now have random twitching at least one place in the body a day, (r) and (l) upper arm, shoulder, (r) thumb, (r). what could this be?

Muscle Twitching: Muscle twitching is caused by minor muscle contractions in the area. Causes include lack of nutrients in the diet, medication side effects, lack of sleep, too much caffeine/exercise/stress, medical conditions that cause metabolic disorders, including low potassium, kidney disease, and uremia. If Calcium /Magnesium supplement may help. If symptoms continue see a DR.