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 ...

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 ...

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 ...

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 ...

Scientists have identified some reasons why yawns spread from person to person. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Seeing or hearing ...

Scientists say they’ve found an infection more likely to strike women than men: the yawn. Many of us have felt that irresistible urge to yawn after seeing a colleague or buddy yawn. Though the reasons ...

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 ...