The human body can do some strange and involuntary things, from sneezing and burping to farting.
What threads these responses together, however, are actions that lead to a reaction.
A sneeze can be brought on by all manner of things, as can a burp or a fart.
But with a reflex such asyawning, it’s a little more mysterious.
But the reason why we yawn is a lot more complex than that.
But, asHealthlinenotes, this is no longer the case.
Per the study (viaScience Direct), this all depends on the temperature of the air.
So, to keep your thermoregulation at its optimum setting, the brain uses theyawnreflex to cool down.
Contagious yawning occurs for a totally different reason
But what about contagious yawning?
Well, that’s slightly more complicated.
But our watery eyes tend to give us away no matter how well we hide the yawn.
“Facial muscles also put pressure on the lacrimal gland, which ‘squeezes’ out tears.”
Is there such a thing as too much yawning?
There’s generally no reason to panic unless other worrying issues are present, such as pain or discomfort.
If you’re concerned about the cause of excessive yawning,contactyour doctor to verify everything is okay.
Likewise, venture to get more sleep and stick to a regular schedule at bedtime.
