It's because when we sneeze, our soul flies out our nose and if no one says 'bless you,' the devil can snatch it.
Kelley Armstrong (2009). “The Darkest Powers Series, Book 1: The Summoning”, p.173, Penguin Group
It's because when we sneeze, our soul flies out our nose and if no one says 'bless you,' the devil can snatch it.