Sleep researcher Dr. Jeffrey Iliff answers the internet's burning questions about sleep. What causes sleep paralysis? Can we control our lucid dreams? Why do naps make us more tired? Can you ever catch up on sleep? Dr. Iliff answers all these questions and much more. Sleep researcher Dr. Jeffrey Iliff (University of Washington School of Medicine) answers the internet's burning questions about sleep. What causes sleep paralysis? Can we control our lucid dreams? Why do naps make us more tired? Can you ever catch up on sleep? Dr. Iliff answers all these questions and much more. Still haven’t subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7B7 Listen to the Get WIRED podcast ►► https://link.chtbl.com/wired-ytc-desc Want more WIRED? Get the magazine ►► https://subscribe.wired.com/subscribe/splits/wired/WIR_YouTube?source=EDT_WIR_YouTube_0_Video_Description_ZZ Follow WIRED: Instagram ►►https://instagram.com/wired Twitter ►►http://www.twitter.com/wired Facebook ►►https://www.facebook.com/wired Get more incredible stories on science and tech with our daily newsletter: https://wrd.cm/DailyYT Also, check out the free WIRED channel on Roku, Apple TV, Amazon Fire TV, and Android TV. ABOUT WIRED WIRED is where tomorrow is realized. Through thought-provoking stories and videos, WIRED explores the future of business, innovation, and culture. Sleep Expert Answers Questions From Twitter 💤 | Tech Support | WIRED