Why do I need to yawn when someone else yawns?
- Written by Johanna Simkin, Senior Curator of Human Biology and Medicine, Museums Victoria Research Institute
Why do people yawn while seeing other people who yawn? —Mithra, age 7, Chennai
Yawning happens when you open your mouth, take a deep breath and take in air without even thinking about it. You might be tired, bored or waking up. Most people yawn six to 23 times a day – even animals yawn!
You may have noticed that you often yawn after you...





