In addition to one's CPAP machine, a pulse-oximeter is a good tool to have for occasional blood oxygen checking. Headaches are known to be troublesome to some who have low oxygen readings which can be caused by sleep breathing disorder. Not to derail the conversation (still interested in replies re...

Hi everyone,

I'd like to hear some anecdotes about headaches from other CPAP users about headaches. Did you have headaches due to apnea before CPAP therapy? Can you describe what they were they were like in detail? Did CPAP improve them? How long did that take?

Thanks for sharing your experiences.