5. It's quite normal to sneeze in twos or threes. Those "bad" particles trapped in the nasal passages and expelled by sneezes aren't exactly sprinting to the exit. It often takes more than one attempt to kick those irritants out, which can lead to multiple sneezes in a row, Everyday Health reported.

What does sneezing in 3s mean?

So, the first sneeze likely breaks up the irritant, while the second brings it into the nose, and the third shoots it out. It's a progression needed to clear whatever is causing your mucous membranes to freak out.

Is sneezing in 3s genetic?

It's a genetic condition called a photic sneeze reflex, and its mechanisms aren't very well understood. Some researchers believe that rapid pupil constriction may trigger the nerves related to sneezing, but no one knows for sure.