Why do we yawn?

Everyone yawns, including adults, babies, and even animals. Scientists don't know exactly what causes yawning. But he has a few theories on the subject... Most people associate yawning with being tired or bored. Studies of other mammals, such as sea lions, have also shown that they yawn more often when resting or sleepy. Recent research suggests that yawning may serve important physiological or social functions beyond simply showing that we are tired.

Flyerim
March 2, 20237 minutes