Parasomnias include unusual behaviors that disrupt sleep, like sleepwalking, sleep talking, and nightmares. Learn about types of parasomnias and their causes.| Sleep Foundation
Sleep studies can help you find out if you are suffering from sleep disorders such as sleep apnea, restless legs syndrome, and insomnia. Find out more in our sleep study guides.| Sleep Foundation
Visit the pages below to learn about different types of sleep disorders and their symptoms, how they're diagnosed and treated, and more.| Sleep Foundation
REM sleep is known for dreaming, but much more happens during this critical sleep stage. Learn what REM sleep involves and how much REM sleep you need.| Sleep Foundation
Nightmares can affect anyone, and when frequent, can harm sleep and daily life. Learn about nightmares, their causes, & how to reduce them.| Sleep Foundation
Healthy sleep consists of distinct stages. We break down the defining traits of each stage and how they differ from one another.| Sleep Foundation
Fix your sleeping schedule and get restorative slumber by optimizing your circadian rhythm.| Sleep Foundation
Sleep deprivation can come with steep consequences, including an increased risk of car crashes, heart problems, reduced immune function, and a lower quality of life. Learn how to spot the symptoms.| 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
Obstructive sleep apnea is a condition marked by abnormal nighttime breathing. Learn more about the symptoms, causes, and treatments of obstructive sleep apnea.| 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
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