Download a free audiobook version of "Take a Nap: Change Your Life" by Sara Mednick or Matthew Walker's "Why We Sleep" and support TED-Ed's nonprofit mission: -- 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. Lesson by Sara C. Mednick, directed by Qian Shi. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: Check out our merch: ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: Follow us on Facebook: Find us on Twitter: Peep us on Instagram: ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: Dig deeper with additional resources: