I've struggled with using a CPAP as well. I started seeing a new sleep disorders doc (diff from the one that first prescribed CPAP machine). Any way, this doc wants you to bring the CPAP to his office for fine tuning, and it really helped. I felt like the guy at the medical supply place adjusted it well, but the docs office really got it set right. I'd recommend seeing if you can get it reset, the airflow may be too strong.