Why Do We Blink When We Are Surprised?

When something surprising happens, like a loud noise or a sudden jump, your brain sends a quick message to your eyes. That’s why you blink! It’s like your eyes are saying, 'Whoa!'

Your eyelids close quickly, and for a moment, everything goes dark. This helps protect your eyes from bright lights or sudden movements. Blinking also gives your brain a little time to process what just happened.