they will be more helpful, if it continues then he may need a mouth guard, because it's ruining the back teeth. I have switched my daughters nightly routine and it's amazing that when she doesn't see my fiance and I argue, and I did our routine, there wasn't any grinding,
that is something you should get checked, my daughter sometimes does it in her sleep, and it can be a phase or can be a feeling of anxiety, and your suppose to try doing things in a routine