Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. If you want to keep someone from yawning, telling them not to isn ...

A yawn is an involuntary reflex that involves opening the mouth wide and taking in a deep breath, followed by a slow exhale. Several theories exist about why we yawn, but researchers have not proven ...

Does looking at an image of a person yawning make you yawn? About half of adults yawn after someone else yawns due to a universal phenomenon called “contagious yawning.” Contrary to popular belief, a ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...