The other day I woke up, stretched, yawned, and wondered: Do all beasts, large and small, stretch and yawn? What about rhinos, hippos, ants, or even the wee little ...

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

“Most of us equate yawning with being tired, but studies have found that yawning could be caused by your body trying to cool your brain,” Dr. Jen Caudle tells Yahoo Life. She describes yawning as the ...

There is something you do when you’re tired, aroused, bored, or even hungry, but nobody completely understands why. Get your mind out of the gutter, I’m talking about yawning. We do it every day, ...

Tiredness, sleep deprivation, or certain medications usually cause yawning. If you find yourself yawning much more than usual on a daily basis, there could be more than tiredness or boredom going on.