I do that too and I am having my back teeth grinded down so that my bite will be even. My dentist thinks it will help also I'm getting a mouth guard at night.
The mouth guard is suppose to retrain you at night so you don't do it???

I'm not sure if I understand how that will happen, but I have to do something because I have headaches every morning from it. Some times the pain is underneath my ear.

Tammy