Hi, Just wondering if anyone else experience this weird hiss/sizzling noise, something like shhhhhh/tzzzzzzz, something in between. It's very noticeable at night, almost as if my whole head has been put into a frying pan full of hot oil. I feel like French fries When I plug my ears I don't think I can hear it as a clear sound but it's definetly present. Anyone else? Could this be due to anxiety?