One is that people yawn when other people yawn due to a phenomenon called echopraxia, in which a person sees a certain behaviour and, if they are sensitive to it, will mimic it. This is made ...

And it’s probably a good idea to keep an eye on that person, as experts have now revealed that those who don’t find yawning contagious are almost definitely psychopaths. An illuminating study ...

Drowsiness is the most common stimulus of yawn, suggests a study. The study says that boredom occurs when the main source of ...

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 ...

You know the feeling. It’s getting close to bedtime, you get sleepy, and you start yawning automatically. You may even find yourself yawning in the middle of the day in a mid-day lull.