thanks for the links Pugsy - I'll go do some reading.

Hi all, I've been using a cpap for about 3 years. My initial machine was an old Resmed Tango set at a pressure of 8. I recently had a new set of sleep studies done to re-evaluate my situation and was given a PR System One autopap (set at 5 and 12). Last night was my first night on the machine and I ...