Yawning is contagious, not just among humans but also animals. Contagious yawning is thought to be linked to mirror neurons-cells in the brain that fire both when we do something and when we see ...

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 ...

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 ...

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 ...

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 ...

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 ...