"Just as important as getting enough sleep is thinking about sleep in the right way. Stop thinking of sleep and naps as â€œdowntimeâ€ or as a â€œwaste of time.â€ Think of them as opportunities for memory consolidation and enhancing the brain circuits that help skill learning. Nor should you feel guilty about sleep. It's just as crucial a part of successful brain work as the actual task itself."

Source : Richard Restak (2009). “Think Smart: A Neuroscientist's Prescription for Improving Your Brain's Performance”, p.41, Penguin

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