The exact causes of contagious yawning are still debated, but two leading hypotheses are the nonconscious mimicry hypothesis ...

Contagious yawning refers to the tendency of individuals to yawn after seeing, hearing, or even thinking about someone else yawning. About 40% to 60% of people exhibit contagious yawning when ...

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 ...

Humans aren't alone when it comes to yawning — all vertebrates do it too, including fish, amphibians, reptiles, birds and mammals. But why? The "evolutionarily ancient" act of yawning likely ...

A GP explains the main reasons why we yawn – including the factors that can lead to excessive yawning (apart from tiredness). Welcome back to Just Curious, Strong Women’s weekly series ...

Drowsiness is the most common stimulus of yawn, suggests a study. The study says that boredom occurs when the main source of stimulation in a person's environment is no longer able to sustain ...

Is it true that we yawn when our brains are deprived of oxygen? Most of us can feel a yawn coming on. The muscles in our jaw begin to tighten, our nostrils might flare, and our eyes might tear up ...

The urge to yawn was down to how each person's primary motor cortex worked - its "excitability". And, using external transcranial magnetic stimulation (TMS), it was also possible to increase ...

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 ...