How Sleep Works

Even after decades of research, the exact reason why we sleep remains one of the most enduring and intriguing mysteries in health science. To try to get to the bottom of this question, experts analyze how sleep works and what happens when we don’t get enough sleep.

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What Happens When You Sleep?

During sleep, intricate processes unfold in the brain and body. Learn about what happens when you sleep and why it’s important to get quality, restorative rest.

Woman sleeping in bed with a clock on the nightstand

Sleep debt grows when lost sleep accumulates over time. Learn about the effects of sleep debt and tips for catching up on sleep.

How Your Body Uses Calories While You Sleep

Learn how many calories you burn during sleep, which sleep stages burn the most calories, why some people have a higher metabolism, and how to raise yours.

How Electronics Affect Sleep

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 Fitness & Routines

woman sitting on the floor meditating

Relaxation Exercises To Help Fall Asleep

Updated December 22, 2023

Relaxation Exercises To Help Fall Asleep

If stress or anxiety is keeping you awake at night, try these gentle exercises to calm your body and mind.

woman doing skin care routine

Bedtime Routines for Adults

Updated December 8, 2023

Bedtime Routines for Adults

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.

A young woman using a mobile phone in bed late at night.

What Is “Revenge Bedtime Procrastination”?

Updated December 8, 2023

What Is “Revenge Bedtime Procrastination”?

Revenge bedtime procrastination is staying up late even when you know you need sleep. Our guide covers why sleep procrastination happens and how to address it.

Woman waking up well-rested and stretching

How to Wake Up Early: 7 Expert-Tested Tips

Updated January 26, 2024

How to Wake Up Early: 7 Expert-Tested Tips

With over half of people hitting snooze in the morning, waking up early is hard for many to do. Learn tips to wake up more easily and when to talk to your doctor.

Women’s Sleep Issues


Woman sleeping in bed

Updated August 1, 2023

Do Women Need More Sleep Than Men?

Do women need more sleep than men? We take a closer look at what the research says and the potential reasons women may need more sleep.

Healthy Sleep Tips For Women

Woman sleeping in bed

Updated October 27, 2022

Healthy Sleep Tips For Women

Insomnia in women is very common. Learn about sleep tips women can use to enjoy a better night’s sleep.

How Can Menopause Affect Sleep

older woman sleeping in bed

Updated January 18, 2024

How Can Menopause Affect Sleep

Many people experience sleep difficulties in the years before and after menopause. Learn why—and how to manage menopausal symptoms so you can get better sleep.

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Children and Sleep

child sleeping in bed

How Much Sleep Do Babies and Kids Need?

Updated January 8, 2024

How Much Sleep Do Babies and Kids Need?

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.

A young child napping

When Should Kids Stop Napping?

Updated November 8, 2023

When Should Kids Stop Napping?

Naptime is often an essential part of keeping infants and toddlers happy and rested. But at what age should kids stop taking naps? Learn in this guide.

Child and Mom Sleeping

Bedwetting and Sleep

Updated December 21, 2023

Bedwetting and Sleep

Bedwetting can be uncomfortable for both children and parents, especially when it happens in older children. Read our guide to learn how to help.

A child who has had a nightmare lying in bed with eyes open

Nightmares in Children

Updated November 8, 2023

Nightmares in Children

Want to learn more about nightmares in children? Our guide discusses what causes nightmares in children, strategies for kids having nightmares, and more.

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Based on your answers, we will calculate your free Sleep Foundation Score and create a personalized sleep profile that includes sleep-improving products and education curated just for you.

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