Yawning more when tired may be linked to cooling the brain, regulating oxygen, and social bonding, all of which help combat fatigue and improve alertness.

Scientists from City St George’s, University of London created a terrifyingly realistic android head to determine whether ...

Another hypothesis is that contagious yawning evolved to keep groups in sync. Yawns follow a natural circadian rhythm and often signal transitions between activities. So, when yawning spreads within a ...

Excessive yawning is yawning that occurs more than once per minute. Learn about the causes and treatments for excessive yawning.

“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.

Discover how contagious yawning reveals your true emotional connections and why you mirror some people's yawns but not others.

Here’s the science behind why you may be yawning during workouts, and what to do about it if you want the yawns to stop.

When feeling tired or sleepy, one of the body's most common responses is yawning. But why do all humans do this? And when can too much yawning be a cause for concern? Although the exact science ...

Everybody yawns, but why? Discover the possible reasons for yawning, why it seems to be so contagious, and if it can ever pose a risk to health.

When feeling tired or sleepy, one of the body's most common responses is yawning. But why do all humans do this? And when can too much yawning be a cause for concern? Although the exact science ...