Although yawning seems like a small, everyday action, recent studies have found that it causes an unexpected reaction in the fluid protecting the brain. A research team in Australia reports that a ...
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Why do we yawn when someone else yawns?

Yawning is a familiar gesture. It often appears when one is tired or when changing states of alertness, for example at the moment of falling asleep or waking up. However, it has a unique aspect: ...
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 ...
I have always liked how yawning feels and wondered what it’s for. I just read there is new information about how yawning affects your brain. Do you know anything about that? Also, do we know yet why ...
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 ...
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 ...
NORTH ADAMS — Go ahead, yawn. According to a recent study conducted by the University at Albany psychology department, yawning is not a contagious symptom of boredom or fatigue. In fact, its purpose ...
Yawning isn’t the only bodily function that’s contagious. Japanese scientists have discovered that chimpanzees are more likely to urinate when they see other primates going No. 1 as well, as detailed ...
It probably comes as no surprise that yawning is contagious. If you hear or see someone else yawn, there’s a good chance that you’ll want to yawn yourself. More specifically, contagious yawning is a ...
Yawn next to your dog, and it may do the same. Though it seems simple, this contagious behavior is actually quite remarkable: Only a few animals do it, and only dogs cross the species barrier. Now a ...