Why Do We Yawn?

The video explores the phenomenon of yawning, discussing theories about its purpose, such as cooling the brain and aiding focus. It explains the process of yawning, including the deep breath that cools the blood to the brain. The video also delves into contagious yawning, suggesting it may be a form of social communication. Despite these insights, many aspects of yawning remain a mystery.

What are some reasons scientists believe we yawn?

Why might yawning be more common in warm environments?

How does yawning help cool our brains?

What might be the social function of yawning?

What factors might influence why some people yawn more easily than others?