Keike, your story is so similar to my DH's. His is severe and not affected in the slightest by weightloss. Like your DH it kept me awake all night with the snoring and the waiting for him to stop breathing. I'd hear him and count to 10, if he hadn't started again I'd kick him.
He was shoced to hear the impact it 'could' have on his health, but sadly he hates the mask and refuses to wear it so fat lot of impact it had.

I do agree with TMS though, I'd be taking those results into your GP and getting him to take a look at the study and the results. My DH is under the supervision of a sleep specialist.

Good luck hun.