Why are your eyes crusty in the morning? Sometimes this crust is almost like water, but sometimes it’s thicker, so thick you can’t open your eyes properly. It’s a natural function in our eyes and this crust has a purpose. But at the same time, it may also signal a problem. We're also very curious as to why this thing appears in our eyes, so we found out why it happens every time we wake up from sleeping. We're gonna dig into this!

By the way, there are a lot of interesting facts about eyes that you probably didn’t know! For example, eyes are the second most complex organ in your body, after your brain of course. They consist of over 2 million working parts, and they stay the same size once you’re a teenager. And our eyes are ready for action, almost all the time. They heal pretty quickly; it takes around 2 days to repair a minor scratch. Eyes can process 36,000 bits of information an hour. They can see millions of different colors!

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