Merely thinking about or seeing someone yawn can make you yawn (you’re probably yawning right now). Most people yawn because they’re tired, but it can also happen unexpectedly and without any triggers ...

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 ...

Dear Reader: We all yawn frequently, more often in the early morning and late evening. Does it mean we’re tired? Bored? Short on oxygen? As common as it is, we know little for certain about yawning.

Why do we yawn? Yawning is a universal gesture. Everyone yawns, from babies still in their mother's womb to the elderly. However, the exact reasons for this reflex are not well understood. Is it just ...

But why does this happen?Scientists have been studying contagious yawning for decades, and the truth is a mix of biology, psychology, and social behaviour.WHAT ACTUALLY CAUSES A YAWN?A yawn is a ...

DEAR READER: We all yawn frequently, more often in the early morning and late evening. Does it mean we’re tired? Bored? Short on oxygen? As common as it is, we know little for certain about yawning.

Discovered: sharp-eyed shrimp, when yawning is less contagious, checking in on the climate conference, and a way to figure out if you've got math skills. Aren't sure if you're any good at math? Well, ...

Your body has millions of parts working together every second of every day. In this series, Dr. Jen Caudle, a board-certified family medicine physician and an associate professor at Rowan University ...

DEAR READER: We all yawn frequently, more often in the early morning and late evening. Does it mean we're tired? Bored? Short on oxygen? As common as it is, we know little for certain about yawning.