Asleep: In order to see, the brain must be awake and working. The eye sends the images to the brain; the brain has to do something with the images. When it is asleep, it is not processs the images.
Answered 1/24/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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