I have personally not tried hypnosis, but one of my sister’s old friends (and how I first found out the name for my condition) did. I don’t know the exact severity of her misophonia, but I do know for a fact that she did get some sort of form filled out so she could wear noise cancelling headphones during school, only because her grades were slipping. I also know that a fact that ALL of her symptoms disappeared after hypnosis, with the exception of people chewing apples, which is now the only thing she can’t stand.