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 ...

Yawning—such an odd physiological phenomenon. Humans yawn, and so do dogs, monkeys, birds, and just about every known vertebrate species other than giraffes (yes, that is also odd). Over a decade ago, ...

Yawning seems like such a simple act, yet it holds surprising power over us. Just watching someone yawn — even a stranger — can suddenly trigger the irresistible urge to yawn yourself. Why does this ...

Q I bought a 30-minute resistance-cord video. I really like it, but the weird thing is that at the beginning of my routine, I start yawning a great deal. At first I thought I was just tired, but it ...

Johanna Simkin 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 beyond ...

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 ...

Yawning is surprisingly infectious, spreading quickly among friends and family. The researchers have long studied why humans catch each other’s yawns. The phenomenon is linked to empathy, social bonds ...