A problem with my sleep apna in that in the morning when i get up and today was usual kept sneezing and blowing my nose this went on for about 90 minutes when i sneezed 2 times stopped blowing my nose and that was it at least until tomorrow when it will start again , goes on for at least 1 hour, maybe more, i use a humdifier on 3, i did have it on 4 but it did not make any change.