Most likely the higher leak numbers are because you are opening your mouth while asleep and air is leaking out the open mouth. With a nasal mask the mouth is uncovered and when open the air can leak out or you can breathe it out as well. Either will elevate the leak rate numbers when it is being do...

I had a full face for the first month. When I was sleeping, my mouth would drop open and cause a leak. I would spend upto an hour trying to remedy the issue. So I decided to try a nasal pillow. The seal (in my opinion) is much better. I’m not woken up from leakage at all. However, my CPAP shows that...