Over the past decade, we've tested more than 2,000 mattresses in our Seattle-based lab. Find out which ones fared the best and discover your perfect mattress.| 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
Insomnia is a sleep disorder that affects many people. Learn about symptoms, causes, and treatments.| 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
Sleep and mental health are deeply intertwined. Learn about the complex relationship between sleep and mental health problems and how to improve both.| Sleep Foundation
Anxiety is frequently connected to sleeping problems. Excess worry and fear make it harder to fall asleep and stay asleep through the night.| Sleep Foundation
Sleep and ADHD have a bidirectional relationship. Learn how ADHD can cause insomnia, and how improving sleep may improve ADHD symptoms.| 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
Many individuals with dementia struggle with sleep concerns. Learn about how dementia affects sleep and steps to improve sleep in people with this condition.| Sleep Foundation
Circadian rhythms are natural, 24-hour patterns that play a vital role in the sleep-wake cycle. Learn more about how they work and how to keep them aligned.| Sleep Foundation
Too many teens get insufficient sleep. Learn about the importance of sleep for teens, challenges to getting the sleep they need, and steps to sleep better.| Sleep Foundation
Want to learn more about how electronics affect sleep? Read our guide to learn about technology in the bedroom and best practices for screen time before bed.| Sleep Foundation