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 ...

Seeing or hearing someone yawn can make you yawn. This phenomenon is not limited to humans; some animals experience contagious yawning, too. But why is yawning contagious? Brain cells called mirror ...

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.

Yawning is very common in humans. It is usually associated with sleep, tiredness or boredom. However, there is much more to ...

DEAR DOCTOR K: I get plenty of sleep. So why do I yawn all the time? DEAR READER: We all yawn frequently, more often in the early morning and late evening. Does it mean we're tired? Bored? Short on ...

It’s official, yawning is actually good for you. But why do we yawn? According to sleep experts, it releases the ‘feel good’ hormone serotonin, as well as dopamine, which helps influence mood and ...

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, ...

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 ...

Open your mouth wide, stretch the muscles of your jaw and upper body, take a slow breath in, and then exhale quickly. What have you done? You have yawned. Many animals, including humans, yawn. They do ...

Discover why yawning is contagious, exploring social mirroring, empathy, and thermoregulation in human behavior.