Glad snakey is ok, it was probably the shed, if she could not breath through her nostrils then it probably build up a bit, some snakes do get a bit mucusy when in shed...
"No one can go back and make a brand new start. Anyone can start from now and make a brand new ending." -- Source Unknown
I do it all the time. Last night I woke up in the middle of the night worrying about Evra, then work up before my alarm this morning worrying about the axies. I would have a stress free life if I didn't have so many pets