The main problem that I am having is the expectation that somehow you can restrict the air from flowing through only your nose. My mouth will open slightly, especially if I have a toothache, or sore jaw. I also sometimes just let the air flow because I'm relaxed. I am on a nose cushion, and I have t...

I have been using CPAP for many years, since 2007 I think. It's not very high pressure, only 11.5. It's a respironics that has that pressure that varies as you breathe in and out. I'm using a nose cushion. Usually I like using the CPAP when I have a cold, because of the humidifier. But I had a cough...