Deep sleep gives your body a chance to repair and recover and leaves you refreshed in the morning. Learn how much deep sleep you need and how to get more.| Sleep Foundation
Scientific Advisor Matthew Walker, Ph.D. Matthew Walker, Ph.D., is professor of neuroscience and psychology at the University of California, Berkeley, and| Sleep Foundation
Learn about the best pregnancy sleeping positions, problems that affect sleep during pregnancy, and why it’s important to sleep well when you’re expecting.| Sleep Foundation
Sleep apnea involves disrupted breathing during sleep. Learn about the types of sleep apnea as well as potential symptoms, causes, diagnosis, and treatment.| Sleep Foundation
Our editorial policy is the driving force of our high standard for quality. Learn about the methods we employ to produce accurate, unbiased content| Sleep Foundation
Many people rely on alcohol to help them fall asleep, but their sleep quality may suffer in the long run. Learn more about how alcohol affects sleep.| Sleep Foundation
Looking for ways to sleep better? Improving sleep hygiene can make your habits, routines, & environment more conducive to consistent and restorative sleep.| Sleep Foundation
Drinking caffeine too close to bedtime can keep you awake. Learn why this happens and what other effects caffeine may be having on your sleep.| Sleep Foundation
Looking for ways to sleep better? We share the steps you can take to improve sleep hygiene and get more restful sleep each night.| Sleep Foundation