the mask I am using is Fisher & Paykel FlexiFit 405 Nasal Mask. sometimes it does wake me up. I tend to sleep on my side most of the night.

i will make the small adjustments and see if it helps out over the next few nights.

Hello, Been using CPAP for about 12 years. Ended up getting a new Philips Respironics System One right before we moved to a new town. They did not do a new sleep study before I got the new machine. For the past year and half I am continually tired even after sleeping 7, 8 or 9 hours. Constantly yawn...