I am 28, male. Every so often, I wake up in the middle of the night with what feels like inner ear pain. I dought it is any kind of infection, as nothing looks out of the ordinary. However, I do grind my teeth every so often at night. What is the cause of teeth grinding in my sleep. Also, what could cause the inner ear pain when that occurs? I once thought maybe it could be that I was sleeping directly on my ear or something, but now think maybe it can relate to the teeth grinding. Wanted to get others thoughts on this..