Sleep is suggested to repair fatigue or to enhance memory consolidation. A new paper shows that the beneficial effect of sleep is specific to the task and the brain regions engaged by it.
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Maquet, P., Peigneux, P., Laureys, S. et al. Be caught napping: you're doing more than resting your eyes. Nat Neurosci 5, 618–619 (2002). https://doi.org/10.1038/nn0702-618
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DOI: https://doi.org/10.1038/nn0702-618
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