Thanks for the response, Dr. Krakow. I don't know which airflow measuring device was used on my diagnostic, but since I was later titrated (twice), what you say suggests I got the result I needed. That's good to know. At least I'm dreaming again. On another note, the thing that amazed me the most is...

Dr. Krakow, I read recently there are a couple of ways to measure air flow in a sleep lab study, and it seemed to suggest that one device can't accurately measure certain breathing or something. Don't all labs have the same equipment? I'm worried I spent money getting data that isn't complete. Is th...