Also with treatment you will likely find that you feel better and improve other health parameters besides just your headaches. Research shows that there is a direct link between sleep apnea and type 2 diabetes. Pin On Tmj Info Ive have sleep apnea to the point it can wake me up when i do begin to breath again but recently i ve woken up disoriented feeling sick to the point i feel like i m going to puke with a general feeling of uneasiness. Can sleep apnea cause nausea . I did the google search as suggested and sleep deprivation can cause nausea. The good news is that there are effective therapies out there for your sleep apnea and your morning headaches. These substances relax the muscles in your throat which can worsen obstructive sleep apnea. I have sleep apnea nausea. It s been happening at all hours of the day and night so i highly doubt it is related to anything i eat or don t eat or meds i take. Some patients may also experience symptoms when first starting cpap or i...