Why do humans feel an urge to rub their eyes?
In: Biology
While most things that get into human eyes can generally be gotten out just by blinking (and this is good advice: always try to blink it out first!), some things like sleep crust are a bit trickier, so we need to rub the eye to get them out.
Unless you’re talking about rubbing your eyes when you’re tired. It’s because it feels good. Specifically, it causes reflex tearing, which helps lubricate the eye and can help with dry eyes. Rubbing your eyes also stimulates the vagus nerve, which can lower your heart rate and help calm you down.
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