what the brain does during sleep??
By phxautopatrs
@phxautopatrs (321)
China
April 5, 2008 9:24pm CST
speak of medicine.when you get sleep at night,think you are getting a good night.rest of your body may be resting,but guess what your brain is really in many ways working over time as a new study out. do you know that before ?
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