In a 2-week study, getting a little less sleep — under 7 hours instead of 8 or more — made people three times more likely to get sick after exposure to a cold virus. Now that's something to sleep on.
Via Say Nite-Nite to Colds – RealAge Tip of the Day.
from Here There and Everywhere http://intlxpatr.wordpress.com/2009/05/04/more-sleep-fewer-colds/
And in case you do get a cold don’t forget to not blow your nose.