@fue you might find it helpful to scan through the following related discussions.
-- Persistent Muscle Twitches throughout Body
https://connect.mayoclinic.org/discussion/persistent-muscle-twitches-throughout-body/
-- Benign fasciculation syndrome (BFS)
https://connect.mayoclinic.org/discussion/benign-muscular-fasciculation/
-- Peripheral Neuropathy and benign fasciculation syndrome.
https://connect.mayoclinic.org/discussion/peripheral-neuropathy-and-benign-fasciculation-syndrome/