Of course, a good night's sleep plays a critical role in our daily function, but what's exactly going on as we sift in and out of dreamland? A lot of memory-making, according to researchers at New York University (NYU).
When Wen-Biao Gan, a neuroscientist and physiologist at NYU, watched mice sleeping, he discovered that the animals' brains are quite active. The flurry of nerve cells in their organs showed what's really going on as these creatures sleep: an active consolidation of memories.
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