why do others yawn when you yawn ?

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https://www.realsimple.com/health/first-aid-health-basics/are-yawns-contagious

https://www.realsimple.com/health/first-aid-health-basics/are-yawns-contagious
This Is the Reason Why You Yawn When Other People Yawn – Real Simple
19 sept. 2023As mentally healthy adults, our psychosocial development will make us yawn when others do. But in individuals lacking the correct mental development, the contagious effect of yawning is not seen, says Dr. Saghir.

https://www.pbs.org/newshour/science/why-are-yawns-contagious-we-asked-a-scientist

https://www.pbs.org/newshour/science/why-are-yawns-contagious-we-asked-a-scientist
Why are yawns contagious? We asked a scientist – PBS
Excess carbon dioxide and other chemical changes, such as a drop in oxygen or increase in a compound called adenosine, could also act as yawn gates, said James Giordano, a neuroethicist and…

https://health.clevelandclinic.org / why-do-you-yawn-and-is-it-contagious

https://health.clevelandclinic.org / why-do-you-yawn-and-is-it-contagious
Why Do You Yawn — and Is It Contagious? – Cleveland Clinic Health …
Theory 1: It’s your brain’s way of waking you up It’s no coincidence that you frequently yawn when you feel your eyelids droop and you start daydreaming about your warm bed. In fact, a yawn might be your brain attempting to jolt you awake when you’re sleepy.

https://www.houstonmethodist.org/blog/articles/2021/feb/why-do-we-yawn-and-are-yawns-really-contagious

https://www.houstonmethodist.org/blog/articles/2021/feb/why-do-we-yawn-and-are-yawns-really-contagious
Why Do We Yawn & Are Yawns Really Contagious?
The overarching theory is that — given that the air around you is of optimal temperature — yawning can serve to help cool your brain. If true, this concept would provide physiological relevance to yawning. Cooling your brain via yawning could possibly help ensure optimal cognitive performance.

https://www.verywellhealth.com/why-do-we-yawn-7966527

https://www.verywellhealth.com/why-do-we-yawn-7966527
Reasons We Yawn: Why Is This Reflex Contagious? – Verywell Health
10 oct. 2023Respiration Yawning may have something to do with a lack of oxygen. Hypoxia (lack of oxygen) is one of the oldest theories as to why we yawn and dates back to 1755. This theory suggests that yawning is triggered when blood or brain oxygen is insufficient.

https://www.sleepadvisor.org/why-do-we-yawn

https://www.sleepadvisor.org/why-do-we-yawn
Why Do People Yawn? Is It Really Contagious? – Sleep Advisor
6 janv. 2024A yawn is an involuntary motion that involves us opening our mouth widely, taking in a bunch of air, and then exhaling. The entire process takes an average of about 6 seconds. It’s not uncommon to also close our eyes for part of the six seconds, and sometimes our eyes will water.

https://www.science.org/content/article/why-yawns-are-contagious-all-kinds-animals

https://www.science.org/content/article/why-yawns-are-contagious-all-kinds-animals
Why yawns are contagious—in all kinds of animals – Science
24 mai 2022Kacper Rzepecki/Getty. The mere sight of another person yawning causes many of us to open our mouths wide in mimicry. And we’re not alone—other social animals, such aschimpanzees and lions, can also catch so-called contagious yawns. It’s likely that all vertebrates yawn spontaneously to regulate inner body processes.

https://www.healthline.com/health/why-do-we-yawn

https://www.healthline.com/health/why-do-we-yawn
Why Do We Yawn and Is It Contagious? – Healthline
1. Try deep breathing If you feel yourself yawning excessively, try deep breathing exercises through your nose. Your body may need more oxygen. A 2007 study also found that nasal breathing…

https://www.health.harvard.edu/staying-healthy/you-dont-say-the-yarn-on-yawning

https://www.health.harvard.edu/staying-healthy/you-dont-say-the-yarn-on-yawning
You don’t say? The yarn on yawning – Harvard Health
1 févr. 2022Finally, why do yawns seem contagious? Mimicking a yawn could be a form of social mirroring, where we unintentionally imitate the actions of others. Other behaviors like laughing, leg crossing, and scratching fall into this category. The bottom line: yawning is a mysterious action that serves an uncertain purpose.

https://www.bbc.co.uk/bitesize/articles/z63gpg8

https://www.bbc.co.uk/bitesize/articles/z63gpg8
Why do we yawn? And four other bodily functions explained
But why do we yawn when others yawn? It’s thought that it could be a really old form of communication. This is because, again, it’s associated with tiredness, so the theory goes that it… lesoutrali bot