Vibration sensation in left leg and foot... like an invisible cell phone on my leg somewhere! and i always feel the need to move my left leg! why?

Check out this link: On rls/ restless leg syndrome. We don't exactly know the cause of it but stress, psychological factors, alcohol, smoking, medications, diabetes, any chronic medical conditions etc may play a role. See your dr for an accurate diagnosis. Stay active, engage in sports, meditate and take a vacation in vegas! http://www.M.Webmd.Com/a-to-z-guides/restless-legs-syndrome-rls?Page=1.