Sleep Tight! Researchers Identify the Beneficial Role of Sleep (1 of 3) (IMAGE)
Caption
Why do animals sleep? Why do humans "waste" a third of their lives sleeping? Researchers now reveal a novel and unexpected function of sleep that could explain how sleep and sleep disturbances affect brain performance, aging and various brain disorders. Using 3D time-lapse imaging techniques in live zebrafish, they were able to define sleep in a single chromosome resolution and show that single neurons require sleep in order to perform nuclear maintenance. Photo: Imaging of chromosome dynamics (green) in single neuron (red, dashed box) in live larva.
Credit
David Zada
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