Although excessive yawning is usually attributed to being sleepy or bored, it may be a symptom of an underlying medical problem. Learn about the possible causes and treatments.

Research shows yawning is extra contagious when it comes with a sound effect – that “ahhh” noise a lot of us make. If a person hears that over the airwaves, it might be enough to trigger a ...

Yawning is contagious in people and some highly social animals, including birds, cats, dogs and primates. But scientists still don’t know why we yawn. Skip Navigation ...

There are a lot of contributing factors to the rest gap. Below, experts share their thoughts on why this happens and how to sleep better if you’re experiencing it: Women are conditioned to take ...

Scientists from City St George’s, University of London created a terrifyingly realistic android head to determine whether ...