I am sorry that you are currently doing the doctor dance. Many of us have been where you are (or are still there) and it is a horrible place to be. Please know that you are not crazy, and that we understand what you're going through.
Have you had your ears checked? I initially thought my vertigo was related to an inner ear problem, and I discovered that my left ear has hearing loss. When I lay down at night, I hear things differently on that side.
Are your vitamin levels normal (b vitamins and d)? You should request copies of your test results/chart so you can see what is being recorded. There are others around here with excellent advice and I'm sure they can help you like they helped me.
Whatever you do, don't give up! Even if you "take a break" from doctors, keep trying and pushing for answers. I've recently been referred to a rheumatologist, so I don't know much about them yet, but I've heard they are great detectives.
Hang in there.