Sleeping on One Side - Nostril Differences?

can this affect the way your bose looks? my nostrils were very even and now i find one is a lot more flared than the other and is kind of higher up and more "open" and the other seems to be going down, which is also the side i sleep on. should i not sleep on that side? switch sides to make things even? :P i find it very difficult to sleep upright, i didnt think we needed to sleep that way for so long.