Has anyone ever had difficulty sleeping for days, feels like there is a pull, or pound, or pop or like an explosion in your head. Or does it feel like Your brain gets cloudy to your face and your body wants to shut down completely when u want to sleep and then u wake up, or does it feel like your body makes some movement either in your leg or entire body when you want to sleep, or do you have a metallic taste in your mouth with an unpleasant smell and feels like you are not getting an erection, or does it feel like the center of your head is burning or cold, share your experience let's hear, or anyone doctor with a good response