Per my husband you WILL get used to moving with the CPAP. He has severe apnea and has used a CPAP for at least 10 years. He didn't have any trouble adjusting, but he also doesn't move around very much in his sleep. I asked him for advice just now and he said when he DOES wake up at night, he has become accustomed to how to move so he doesn't disturb the machine.
To those who are kept awake by general machine noise, you might need a new machine or mask. Newer ones with properly-fitting masks are almost silent.
Just keep at it - your quality of life, and your life itself, is worth the effort!