Why cant we sleep with are eyes open?!


Question: Why cant we sleep with are eyes open!?
Answers:
because eyes need rest too!.!. but i think there are animals that sleep with their eyes open!.!. for eg: horses!.!.Www@Answer-Health@Com

http://answers!.yahoo!.com/question/index!?!.!.!.

^^ that should help a little bit more :)Www@Answer-Health@Com

I've heard of people who sleep with their eyes open, but I don't know if it's true!.Www@Answer-Health@Com





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