What Happens When You Sleep?

What is REM sleep, exactly? And what happens if you nap too long?

View as a webpage Daily Sunday, November 01, 2015 What Happens When You Sleep? What is REM sleep, exactly? Should you wake a sleepwalker? And what happens if you nap too long? We have the answers. Take Quiz ›   •  3 Ways to Cope With the Time Change   •  Dreams and Memory: What's the Connection?   •  Gut Check: Count Your Candy (and the Calories!) Recipes With Pork • Raspberry and Onion Pork • Rosemary & Garlic-Crusted Pork Loin • Jerk Pork Loin • Garlic Roast Pork • Apple-Spiced Pork Roast From the WebMD Network • What Is Non-Hodgkin's Lymphoma? • Heartburn During Pregnancy • How Celiac Disease Affects the Body Featured • Ways to Deal With Nighttime Back Pain • Dial Down Your Psoriatic Arthritis Pain • Has a Weak Bladder Changed Your Life? • After-School Snacks That Make the Grade • Best Drive-Through Breakfast Choices ADVERTISEMENT   ADVERTISEMENT   From Our Sponsor • Transfer Your Prescriptions to Walgreens   ADVERTISEMENT   ADVERTISEMENT   You are receiving this message because you registered with WebMD as ignoble.experiment@arconati.us. If you did not for WebMD please contact our Customer Care Team. www.webmd.com  |   Mobile Apps  |  Contact Us  |  WebMD Privacy Policy  |   Unsubscribe Follow Us: © 2015 WebMD, LLC. All rights reserved. WebMD Office of Privacy | 1201 Peachtree Street, NE | Atlanta, GA 30361