Eli5: what happens to our body when we “look” tired? Why our eyes and face slightly change?
In: Biology
When you’re sleep-deprived or fatigued, your body produces more cortisol (the stress hormone), which can break down collagen and cause puffiness or dark circles. Your muscles, especially around your eyes, might be more relaxed and droopy, making you look tired. Plus, dehydration can make your skin look duller. Fun times, right?
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