Bournemouth University neuropsychologist Simon Thompson is an expert on yawning. In 2011, he posited that high levels of the stress hormone cortisol may be a direct cause of yawning. “We believe that ...

Researchers have unveiled a cutting-edge facial expression synthesis technology that uses “waveform movements” to replicate ...

The co-authors noted that muscle movements including breathing and yawning were not included in the study's findings. And while the study authors were not able to identify what each expression ...

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. Even more complex? Why we seem to yawn because ...