I was diagnosed in August and have been on CPAP since 1st week in September. Had very little trouble getting used to it and I sleep great now. However, in the last two weeks I've been getting VERY out of breath when I walk up stairs or inclines. I'm 47 y/o female, 50 pounds overweight, and in good health otherwise. I've never had problems breathing until now. Could the CPAP cause this?

