Why do we yawn even when we are not tired?

We yawn even when we're not tired because our body wants to share a special kind of breath with others.

Imagine you and your friend are sitting in class, and suddenly you start yawning. Your friend looks at you, then starts yawning too. It’s like the yawns are jumping from one person to another, just like how laughter or sneezes can spread quickly among friends!

When we yawn, our body takes a big breath in and stretches wide. Scientists think this helps us feel more awake or relaxed. But even when we're not tired, seeing someone else yawn can make our brain want to join the fun.

It’s kind of like when you see someone blow out birthday candles, it makes you want to do it too! Yawning might be a way our brains say, “Hey, I feel connected to others!”

So even if you're not tired at all, sometimes your body just wants to yawn along with the people around you. It's like sharing a secret breath, and it’s totally normal!