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        Part of NOVA scienceNow
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        NOVA scienceNOW: The Function of Sleep

        This video segment adapted from NOVA scienceNOW considers the purpose of sleep and, in particular, the connection it shares with memory. By studying the dreams of rats, researchers are hoping to gain insights into how animal brains process new information into memories that can later be tapped. While establishing normal sleep patterns appears to assist the learning process for rats and humans alike, getting too little sleep or having interrupted sleep may explain why some people cannot effectively draw from their past experiences.

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