Is yawning like a brain massage?

Yawning is like giving your brain a gentle shake to help it wake up or cool down.

When you yawn, your mouth opens wide and you take in a big breath, this makes your face and head stretch out. It’s similar to when you pull on the ends of a rubber band, making it longer. This stretching also helps your brain feel more relaxed or refreshed.

Sometimes, like when you're tired in the morning, yawning is your brain saying, "Hey, I need a little help getting going!" It’s like giving your brain a little shake, helping it to wake up and be ready for the day.

Other times, like when you’re bored or watching someone else yawn, it's more of a copycat thing, your brain says, "Oh, they're feeling relaxed, maybe I should join in!" So you yawn too, just like stretching after sitting still for a while.