Wagon Sr. grinds his teeth at night and if he's not wearing his nightguard, it wakes me several times each night. Such a horrifying sound because it sounds so painful and disgusting. A few years ago I realized I couldn't listen to him crunch food anymore because it reminded me too much of his teeth grinding sounds, and every time he crunches food in front of me I want to throw up! So every time he's eating something like an apple or some granola, he has to finish it in another room. Poor guy.