Why are yawns contagious?
Whenever I see someone yawn, I automatically yawn
you yawn to force oxygen to the brain,so i guess when you see someone yawn,your brain says it gets some
Yes yawning is very contagious there's actually a 50%chance you'll yawn after reading this even think of yawning will make you yawn
Watch vsauce on YouTube He's really good at explaining thisedit: you're really cute
Just reading your question made me yawn,... Haha thanks! :)