I have used one for 6 years. Haven't slept a night without it. I feel so refreshed. I never knew how real sleep felt. I have always woken up 2-3 times a night for no reason. Love it. I even nap with it. I have a sis and 3 friends that have a c-pap and don't use it. They don't like the way it looks. I am not not a prude. I just put it on when the lights go out and I roll over . hehehehehe
If you don't use it every night you get out of the habit. I love it and sorry I didn't do something about it earlier.