Yes, eye gunk—also called “sleep,” eye discharge, or rheum—is completely normal in the morning. It’s a mix of mucus, oil, skin cells, and other debris that naturally accumulates in the corner of your eyes while you sleep. During the day, blinking helps wash it away with tears, but since you don’t blink during sleep, it builds up.
Normal eye gunk is usually:
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White, off-white, or slightly yellow
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Crusty or sticky
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Found in the inner corners of the eyes upon waking
However, abnormal discharge could signal an issue if it’s:
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Green or dark yellow
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Excessive and persistent
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Accompanied by redness, swelling, pain, or vision changes
In those cases, it might be a sign of conditions like conjunctivitis (pink eye), blepharitis, or an eye infection, and you should see an eye doctor.
Got any specific symptoms you’re noticing?