A mouth wide open and a massive intake of air, putting us in the mood for sleep; that’s all there is to a yawn, right? Or is there a scientific reason for yawning? Is there also a reason for how contagious a yawn is?

From acting as a bodily air conditioner to showcasing emotions, a yawn has a ton of reasons behind its occurence.

In this video, we dive deep into the science behind yawning and how it has baffled humankind for ages, giving us varying theories for why people yawn!

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Video Chapters
Video Chapters
0:00 - 1:12 Introduction
1:13 - 2:08 What is the cause of yawning
2:09 - 4:37 Advantages of yawning
4:38 - 5:57 Why do people yawn contagiously


#Yawning #ContagiousYawning #WhyDoWeYawn #Science #Sleep #Drowsy #ScienceBehindYawning

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