Tryptophan is an amino acid that can be found in foods and is sold as a supplement. Learn more about which foods contain it, as well as supplement safety.| Sleep Foundation
Yoga nidra is a form of yoga that involves lying on your back while focusing on mental imagery. Yoga nidra may promote relaxation and improve sleep.| Sleep Foundation
Non-sleep deep rest (NSDR) is a relaxation practice promoted by Stanford neurobiologist Andrew Huberman. Learn more about how NSDR works and its benefits.| Sleep Foundation
Are you interested in trying meditation for sleep? Learn the science behind this mind-body technique and how to use it to relieve stress at bedtime.| Sleep Foundation
Night terrors are common in children, and can cause them to wake up screaming and afraid. Learn why night terrors happen and how to stop them.| Sleep Foundation
Want to learn more about nightmares in children? Our guide discusses what causes nightmares in children, strategies for kids having nightmares, and more.| Sleep Foundation
Vivid dreams are common and their content can range from pleasant to disturbing. Learn why vivid dreams happen and what to do if you want to avoid them.| Sleep Foundation
Patients with COPD commonly experience difficulty breathing at night and lost sleep. A co-occurring sleep-related breathing disorder may make matters worse.| Sleep Foundation
A bedtime routine is a set of activities performed in the same order each night before bed. Learn why they are important, and get tips for your routine.| Sleep Foundation
Looking to sleep more soundly in the new year? Learn how limiting your alcohol intake — even for a month — comes with sleep benefits.| Sleep Foundation
In central sleep apnea, a lack of signals from the brain interrupts breathing during sleep. Learn more about this uncommon condition.| Sleep Foundation
Drinking alcohol may contribute to sleep apnea. Learn how alcohol affects breathing and why avoiding alcohol may be suggested if you have sleep apnea.| Sleep Foundation
Diet, exercise, and sleep all contribute to a healthy life. We explore the relationships between these important lifestyle factors.| Sleep Foundation
Wondering what to eat before bed? We share nutritious bedtime snack options to beat hunger cravings without ruining your sleep.| Sleep Foundation
Sleeping in the dark is critical for getting a good night’s sleep. Explore tips for making your bedroom as dark as possible.| Sleep Foundation
Do you think you have poor sleep quality? Learn to recognize the signs of lack of sleep, and get tips for improving your sleep quality.| Sleep Foundation
Nocturia can disrupt sleep and signal more serious health concerns. Learn what causes nighttime bathroom trips and how to reduce them for better sleep.| Sleep Foundation
Getting the sleep you need is vital for your immune system. Lack of sleep can disrupt your immune defense, raising the risk for short- and long-term illnesses.| Sleep Foundation
Narcolepsy is a sleep disorder that involves severe daytime sleepiness. Learn about the types of narcolepsy as well as the symptoms, causes, and treatments.| Sleep Foundation
Sleep and job performance are closely related. Learn how work stress can make it more difficult to sleep, and how sleep issues can reduce productivity at work.| Sleep Foundation
Using CDC health data, we’ve compiled the 10 best and 10 worst U.S. cities for sleep as they relate to varying health factors. How does your city rate?| Sleep Foundation
Is your sleep repeatedly disrupted during the night? Learn about interrupted sleep including its causes, consequences, and steps you can take to prevent it.| Sleep Foundation
Want to learn more about the mechanics of sleeping upright or standing up? Our guide includes tips for getting enough rest on long flights or drives.| Sleep Foundation
Many people turn to coffee to wake up, but some find that it makes them more tired. Learn why coffee might sometimes make you sleepy.| Sleep Foundation
Want to learn more about over-the-counter sleep medications? Our guide covers melatonin, valerian, and other OTC options that may help you sleep better.| Sleep Foundation
Dehydration can lead to poor sleep, and poor sleep can often lead to dehydration. Learn how to stay hydrated at night and to avoid frequent bathroom visits.| Sleep Foundation
Learn how to reset your circadian rhythms, including your sleep-wake schedule, through light exposure, exercise, strategic meal times, and more.| Sleep Foundation
Wondering how much melatonin you should take? We’ve got you covered. Learn more about dosage recommendations for adults and children.| Sleep Foundation
Learn how glucose levels naturally change during sleep, how the duration and quality of sleep impact blood sugar, and how sleep problems affect blood sugar.| Sleep Foundation
Explore the link between stress and insomnia, and learn ways to relieve stress to improve sleep quality.| Sleep Foundation
A damp environment enables growth of potentially harmful mold. Learn about the effects of mold on sleep and how to prevent and eliminate mold from your bedroom.| Sleep Foundation
Wondering how smells and aromatherapy can impact sleep? Learn about how smell affects sleep and what scents help you relax at night or wake up in the morning.| 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
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
Research shows that tart cherry juice can help you sleep, aid in muscle recovery, and promote brain health. Learn how it works and how much to drink.| Sleep Foundation
If stress or anxiety is keeping you awake at night, try these gentle exercises to calm your body and mind.| 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
Can’t sleep? We offer tested tips and relaxation exercises to calm your mind and help you get the sleep you need.| Sleep Foundation
Dreams are an integral part of sleep. Learn about when we dream, the types of dreams, and the competing theories for why we dream in the first place.| Sleep Foundation
Light therapy can be done at home and helps relieve sleep issues associated with insomnia and some types of depression.| Sleep Foundation
Excessive daytime sleepiness can have serious effects on health and quality of life. Learn the causes and how to treat them.| Sleep Foundation
Continuous positive airway pressure (CPAP) therapy is often used to treat obstructive sleep apnea and other types of sleep-disordered breathing.| Sleep Foundation
Noise has a major impact on sleep. Exposure to too much noise during sleep has immediate effects while we are sleeping, which leads to short-term issues the next day, and over time may result in long-term mental and physical consequences.| Sleep Foundation
Worried about feeling alert and maintaining a healthy sleep schedule after a long flight? Learn how to reduce jet lag and sleep better while traveling.| Sleep Foundation
Naps are a common practice around the world to restore energy during the day. Learn about the benefits of napping and tips for getting a good daytime snooze.| Sleep Foundation
Your chronotype dictates whether you are a night owl or an early bird. Understanding your chronotype can help you function better and sleep more soundly.| Sleep Foundation
Learn about delayed sleep phase syndrome, a circadian rhythm disorder that affects your ability to fall asleep and wake up at socially normal times.| Sleep Foundation
Sleep is a complex and dynamic biological process that still isn’t fully understood. Learn about how sleep works and why it’s vital for overall health.| Sleep Foundation
A sleep study provides crucial information to diagnose and treat sleep disorders. Learn about the types of sleep studies, how they're used, and what to expect.| Sleep Foundation
Sleep satisfaction and energy levels are closely linked. In this guide, learn how sleep patterns can help you keep your energy high during the day.| Sleep Foundation
Your sleep environment is crucial to getting quality rest. Learn how to take advantage of visual and practical design to create the ideal bedroom for sleep.| Sleep Foundation
Understanding the link between sleep and depression can help improve your sleep quality and better manage your mental health.| Sleep Foundation
Is acid reflux interrupting your sleep? Learn how GERD can disrupt sleep, and what steps you can take to reduce it and get better sleep.| Sleep Foundation
Many research studies suggest that diet and nutrition impact sleep. Learn which foods to eat and which to avoid if you want healthy sleep.| Sleep Foundation
Sleep is an essential building block for your child’s mental and physical health. But if you’re finding it impossible to help your toddler sleep, you’re not alone.| Sleep Foundation
Sleep apnea is a relatively common disorder in which people experience disrupted breathing while they are sleeping.| Sleep Foundation
Want to learn about shift work disorder? Our guide discusses the defining traits of shift work sleep disorder, how it disrupts sleep & complications.| Sleep Foundation
Circadian rhythm sleep disorders occur when a person's internal schedule mismatches with the schedule of their environment. Learn about symptoms and treatments.| Sleep Foundation
Considering melatonin supplements to help you sleep? We break down benefits, risks, side-effects, and how to choose the best product for you.| Sleep Foundation
Losing sleep may counter efforts to lose weight and even lead to weight gain. Learn more about the complex relationship between weight and sleep.| 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
Worried about nodding off behind the wheel? Learn about the causes and dangers of drowsy driving and practical tips to recognize and avoid driving when tired.| Sleep Foundation
Cognitive behavioral therapy for insomnia (CBT-I) is a first-line treatment of chronic insomnia. Learn more about CBT-I in our guide.| Sleep Foundation
Sleep is critical for the brain. Learn about how lack of sleep causes short- and long-term cognitive impairment, affecting your thinking, memory, and attention.| 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
Want to learn how to create a bedroom environment for good sleep? Our guide includes room temperature, bedding options, sound-proofing tips, & more.| Sleep Foundation
Fix your sleeping schedule and get restorative slumber by optimizing your circadian rhythm.| Sleep Foundation
Not all insomnia is the same. Learn about short-term and chronic types of insomnia along with other terms used to describe this serious sleeping problem.| Sleep Foundation
Overeating and sleep have a bidirectional relationship. Sleep deprivation can induce overeating, and at the same time, eating too much can interrupt sleep.| Sleep Foundation
Drowsy driving is just as dangerous as drunk driving. Learn how sleepiness and alcohol compare in terms of mental effects and traffic accident statistics.| 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
Have you wondered how eating before bedtime affects your body? We break down the benefits and drawbacks of nighttime snacking.| 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
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
Sleep and exercise are closely intertwined. Learn how sleep can affect physical activity levels and vice versa.| 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
Discover the science behind why we sleep better within a certain temperature range, and get advice for optimizing your bedroom temperature at 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
Sleep is vital to the development of children of all ages. Learn about how much sleep they need and how to ensure they are sleeping well.| Sleep Foundation
Emerging research suggests pink noise may improve sleep. Learn if pink noise could help you, along with tips for incorporating pink noise into a sleep routine.| 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
A sleep diary is a simple way to track key details about your sleep habits. It can offer valuable information for your doctor or for personal sleep improvement.| 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
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
Technology in the bedroom can be a major barrier to sleep. Creating a technology-free environment can boost sleep hygiene and help you get better sleep.| Sleep Foundation
Looking for the facts about sleep? Our in-depth look at sleep statistics gives hard data about sleep needs, disorders, and the impacts of sleep deprivation.| Sleep Foundation
Want to eat well to get better sleep? Read about food & drinks to help you sleep and how you can take steps to improve your diet and sleep at the same time.| Sleep Foundation
Trying to find out why you have sleeping problems? Learn about the general causes of insomnia and how it can arise in the elderly, teens, and pregnant women.| Sleep Foundation
Light and sleep are closely intertwined. Learn about how different types of light exposure affects circadian rhythm, melatonin, and overall sleep quality.| Sleep Foundation
Sleep is essential, but how much sleep do we really need? Learn about how many hours of sleep kids and adults need and ready useful tips for how to get them.| Sleep Foundation