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3 answers

Kids aren't the only ones who do that...i still do it. Anyway, I think it's because when your body is tired, it stops producing moisture for your eyes. (kind of assuming that your eyes should be closed)

2006-07-28 04:25:56 · answer #1 · answered by carrie love 2 · 0 0

When they're tired, it's meant they're sleepy, there's tears in their eyes, so they rub their eyes in order to keep they stay-awake.

2006-07-28 11:25:15 · answer #2 · answered by fortman 3 · 0 0

because their eyes start to burn and they rub them to make it go away. It's kind of like scratching an insect bite. It itches so you scratch it.

2006-07-28 10:57:43 · answer #3 · answered by Britney♥ 4 · 0 0

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