Dark circles under the eyes can have causes that aren't due to underlying disease.Oversleeping, e…
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Dark circles under the eyes can have causes that aren't due to underlying disease.Oversleeping, extreme fatigue, or just staying up a few hours past your normal bedtime can cause dark circles to form under your eyes. Sleep deprivation can cause your skin to become dull and pale, allowing for dark tissues and blood vessels beneath your skin to show.