Sleep Apnea Treatment

I have had a very bad issue with nausea for a little under a year now….I was diagnosed with obstructive sleep apnea a few months ago, but i’ve been having this problem since before then…I haven’t got my CPAP machine yet, so I haven’t had a chance to use it. Has anyone else had a problem with nausea? What did you do for it? I can’t even go to sleep right now because i was woke by nausea..Everyday after I’m done eating I get a little nauseous…And I’m a guy so of course I can’t be pregnant..I’ve gotten blood tests and they show that nothing is wrong with me. What can I do to stop this problem???