“Yawning often occurs when we’re tired – likely as a mechanism to increase oxygen intake and regulate brain temperature,” explains Dr Ann Nainan, a GP and founder of The Travelling Doctor.

I’m 84 and I can’t stop yawning. It’s upsetting my family and friends because they think I’m bored of them. I’m not tired either, so that can’t be the cause. What should I do?

Cue the yawn. The yawn is so much more than a signal of how tired we are. It’s also a symptom of boredom, an expression of rebellion, a facial workout, and an utterly contagious bodily function ...

Yawning is an involuntary action characterised by opening your mouth wide, taking a deep breath, and then exhaling slowly. It ...

So, why do we yawn when tired? Yawning is sometimes associated with fatigue, and given that you’re more likely to feel drowsy in warm temperatures, the links appeared to make sense. Some tests ...

The average adult yawns about 20 times a day. But why? Surely we cannot all be that tired. The truth is the science behind yawning is much more complex than just a few hours too little sleep.

Some theories suggest that yawning is also a communication method, on how you feel, whether you’re tired, bored, or under mild stress. A few believe that yawning might help stimulate arousal and ...

And so do we. Benji and Bailey are yawning with their mouths. Yawn, yawn, yawn. (yawning) The robot's tired. - Oh, the robot's tired? - Yawn! The twins love the sound of yawning. And so do we.