This is a phenomenon known as Photic Sneeze Reflex. Another name is Autosomal dominant Compelling Helio-Ophthalmic Outburst syndrome. Yep, that spells "ACHOO", and some call it "ACHOO Syndrome".

A Phoenix mom shared a hilarious Instagram video of her baby practicing fake sneezes at 3 a.m., leaving her in laughter and ...

Plus, Achoo is more fun to say and literally makes perfect sense, too. Achoo syndrome is also lovingly called "sun sneezing" or sometimes the semi-technical nickname "photic sneeze reflex." ...

Following is a transcript of the video. Narrator: Achoo! Are you sick? Don't you dare sneeze on me! Do you know how far your germs can travel? Normally, you hold about half a liter of fluid in ...

When I sneeze I combine sounds from two cultures. I make an ‘apchoo’ sound.” Chapman was intrigued. “I’d never considered this before. I associated a big theatrical ‘achoo’ with my ...

The sun can cause you to sneeze if you have a disorder known as ACHOO syndrome. Meterologist Ray Petelin details how the reaction is caused.