Your eyes get heavy and gradually close... But wait! It's only lunch time and you still have so much to do. Would taking a nap help? Or would it derail your day? Well, that depends on a few things— especially what stages of sleep the nap includes. Sara C. Mednick details the cognitive benefits of napping, and explores the optimal length and time of day for a quick snooze. [Directed by Qian Shi, narrated by Alexandra Panzer, music by Bamm Bamm Wolfgang and Gavin Dodds].
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