would break all the time and wake me up all night. It would also make me swallow air and the mask irritated my sensitive baby-face skin. I did it for a month and couldn't make it through the night without ripping the stupid thing off.
The mouth piece took about a month to get used to, and there was some initial jaw and tooth pain, but now it's fine and I have a lot more energy during the day and it eliminated my snoring.
I don't know if it will work as well for everyone, but it worked for me.