Jul 22, 2025 · Getting enough quality sleep has a lot of mental and physical health benefits. Learn how sleep helps your body and brain, as well as how to get better sleep.

Jul 25, 2025 · Healthy sleep consists of four stages. We break down the traits of both REM and NREM stages, how they differ, and how to get better sleep.

Oct 31, 2025 · Looking for ways to sleep better? We share the steps you can take to improve sleep hygiene and get more restful sleep each night.

Jul 11, 2025 · Sleep is essential, but how much sleep do we really need? Learn about how many hours of sleep kids and adults need and read useful tips for better sleep.

Jul 22, 2025 · Looking for ways to fall asleep fast? We share the relaxation methods that can help you clear your mind and get to sleep quickly.

Jul 10, 2025 · Looking to treat insomnia without taking sleeping pills? Learn about natural cures for insomnia and potential therapies that can improve your nightly sleep.

Sep 11, 2025 · Sleep apnea pillows are designed to accommodate CPAP masks, reduce airway pressure, and improve sleep quality. Find the right pillow for you in our buying guide.

2 days ago · Sleep trackers provide tailored insights into how well you’re sleeping. Our testing team tried out dozens of models to find the best tech for you.

Jul 25, 2025 · Learn more about the differences between how humans and fish sleep, and find out how to know when your fish is sleeping.

Matthew Walker, Ph.D., is professor of neuroscience and psychology at the University of California, Berkeley, and founder and director of the school’s Center for Human Sleep Science.