I dont know what pressure I am on. My unit has no settings I can change except the ramp. The max ramp time I can set is 20 min.

I've had my machine for over a year now. I started using it when i got it with a full mask. I woke up a couple hours after falling asleep and felt like I couldnt breathe because the air flow pressure was so intense. I stopped using it. 9 months later I was getting sick of being tired all the time so...