New research shows contagious yawning is not only common in other species, and can happen between species, it can even be caused by a robot By Joseph Brean Published Jun 21, 2025 ...

When you yawn after seeing someone else yawn, your brain is unconsciously reflecting their state, much like you might smile when a friend smiles or feel tense when someone near you is angry.

When prompted to yawn, the unsettling face would peel open its lips, briefly shut its eyes for several seconds, and then return to its neutral position. Each expression could last up to 10 seconds.

This isn’t coincidence. Your yawning patterns are basically a social lie detector test that you didn’t know you were taking. Why your brain treats yawning like emotional Wi-Fi ...

Yawning isn’t just about sleepiness. You can yawn when you’re bored or even overstimulated. In these moments, your brain might slow down, and a yawn helps snap you back to attention.

Not everyone is equally susceptible to contagious yawning. In controlled studies, approximately 40% to 60% of typical volunteers yawned in response to watching another person yawn in a video.

Snoopy has had multiple personas over the years including the Red Baron, Beagle Scout and Joe Cool, he now has another one to add to the list, Joe Kind, thanks to Starbucks.

Yawning also contributes to empathy and social communication, and it seems to be contagious. People are more likely to yawn after witnessing a close friend or relative yawn, according to studies.

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Yawning may help cool down the brain When temperatures in the brain rise above its baseline — because of increases in mental processing while focusing on a task, exercising or being anxious or ...

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 our mouths stretch open and we inhale a gust of air.