 [ Symptoms ] can i get hearing aids if i am on medicare [ Disease ] i have also experienced this i do not drink much water do you if not i suggest when you feel that way drink a few glasses of water and see how you feel a few hours later it helps me when dehydrated you will feel hot flashes headaches feels like you might pass out but do not almost like your brain clicks off for a second its a weird feeling kinda hard to explain you will sweat at night too drink more water plan and simple