Difference between revisions of "Sleep"
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(New page: Sleep is a bodily state in which the body rests and the mind turns off. All creatures must sleep, but scientists do not know why.) |
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| − | Sleep is a bodily state in which the body rests and the mind turns off. | + | Sleep is a bodily state in which the body rests and the mind turns off. Almost all animals must sleep to survive, but scientists do not know why. |
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Revision as of 05:23, April 15, 2007
Sleep is a bodily state in which the body rests and the mind turns off. Almost all animals must sleep to survive, but scientists do not know why.