Why Is Yawning Contagious? Why do we yawn? If you thought that it is because we need more oxygen, you were wrong. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts The Smallest Levels of Reality 4 Possibilities for the Meaning of LIFE What’s the Right Amount of Eye Contact? What Does “A 50% Chance of Rain” Actually Mean? Get Excited – The Robots Are Evolving! Can a Volcano Destroy the World?