are often associated with drugs, alcohol, smoking, lack of sleep
, stress and fatigue. They can be seen in peripheral neuropathies of diabetes, in hyperthyroidism, parasomnia, multiple sclerosis, TIAs or transient ischemic attacks or mini strokes, hypoglycemia, disorders of calcium metabolism, hyperparathyroidism etc. Consult an internal medicine specialist or your PCP. Discuss these possibilities with your doctor. It is difficult to comment beyond this without examining.