Why does the Sun Make You Sneeze?

People who sneeze after looking at the sun, or any bright light for that matter, have their wires a little crossed. Usually a sneeze occurs when there is a tickle in your nose, then the nerve signals send the message to your brain then back to your nasal passages, chest and mouth. That causes a sneeze. In a person that sneezes from the sun or bright lights the signal goes from the pupil to brain then out to the nose, chest and mouth. Crossed wires. To find more information click here: