Patients with the neurodegenerative disorder often report frequent yawning. They also suffer from fatigue, which has been associated with elevated brain temperature (Neurology, 86:P2.172, 2016). Up to ...

Yawning is often associated with stretching, and increased flow of oxygen and nutrients to the brain, which helps to wake us up. Yawning can also increase before and during stressful situations ...

So we yawn to wake up and cool down our brains. There are a couple different hypotheses that exist on this. One is that people yawn when other people yawn due to a phenomenon called echopraxia ...

Kumamoto Sanctuary If you see or hear someone yawn, you might suddenly feel the urge to do the same, thanks to a well-studied phenomenon known as “contagious yawning.” Now, new research ...