I've fallen on this sight through research on my own. I'm so exhausted right now I can't think and stumble a lot. I've had my ResMed s9 since 2014. I've never been under the care of a Dr. I'm seeing after research this is my problem. I know I'm have apnea even with the machine. I feel like I did in 2010 right before my first sleep study. Stupidly I didn't really know I needed to be monitored. My sleep machine supplies come from California and a "therapist" talks to me once in a while. They don't give any numbers. I do not know how to monitor my own machine. I've been drug tired for a month now. Today is the worst. I just called my GP. I found a sleep Dr. Now to get in asap. Guess I've blown it for not being monitored.......