Contagious yawning is a widespread phenomenon that extends beyond merely being a sign of drowsiness; it is a behaviour interwoven with both physiological regulation and social communication. Recent ...

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 ...

Ever noticed how one yawn can trigger many? Science reveals how your brain copies others, why yawns spread so easily, and ...

It’s not obviously just mechanical, like a burp to release gas pressure, or just psychological, like a yelp to express fear or excitement. A yawn is more like a sneeze or a hiccup, an involuntary ...

ATLANTA — Find yourself yawning a lot? Do you need that third or fourth cup of coffee to make it through the afternoon at work? Such signs of sleepiness may be a red flag of a serious sleep deficit ...

Sleepyheads take note — a UA researcher may have helped discover the cause behind yawning. Omar Eldakar, a postdoctoral fellow in the UA Center for Insect Science, and Andrew Gallup, a postdoctoral ...

Ever notice how you automatically yawn when someone else does it? That involuntary mouth-stretching moment isn’t just your brain being lazy. It’s actually broadcasting something pretty revealing about ...

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 ...