Dear Doctor: The 7-year-old in our family has discovered yawns are "catching," and he just loves it when he can get his daddy to start yawning, too. Of course, now he wants to know why, but even after ...

Try not to yawn while reading this. Fact checked by Isaac WinterReviewed by Samina Ahmed Jauregui, PsyDFact checked by Isaac WinterReviewed by Samina Ahmed Jauregui, PsyD Ever wondered why yawns are ...

Ever wondered why yawns are so…contagious? We obviously know what a yawn is, here's a more scientific explanation: "The activity of yawning consists of an involuntary wide opening of the mouth and ...

Humans’ first experience with yawning happens in utero, says Matthew D. Epstein, M.D., associate medical director of the Atlantic Health Sleep Centers in New Jersey. Yet, Earth-side, the ...

This video, by vsauce, not only explains why yawning is contagious, but also lays out the physiology of yawning, reveals that you’re less likely to yawn when your brain is cool, and gives us some ...

According to Webster's Dictionary a yawn is to open the mouth wide in deep inhalation, usually involuntarily from drowsiness, fatigue, or boredom. This definition describes every thing about a yawn ...

Contagious yawning refers to the tendency of individuals to yawn after seeing, hearing, or even thinking about someone else yawning. About 40% to 60% of people exhibit contagious yawning when exposed ...

Is it true that we yawn when our brains are deprived of oxygen? Most of us can feel a yawn coming on. The muscles in our jaw begin to tighten, our nostrils might flare, and our eyes might tear up as ...

Atlas Thébault Guiochon does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...