How Fast Is Eye Blink?

Your eyelid closes at about 4 m/s — the entire blink cycle finishing in 100-150 milliseconds. You blink roughly 20,000 times per day, which adds up to about 10% of your waking life with your eyes closed.

You spend about 10% of your waking hours with your eyes closed, just from blinking.

• Same pace as a chicken running
• 20,000 blinks per day