Sleep Statistics

Updated March 28, 2023

Written by

Eric Suni, Staff Writer

Eric Suni

Staff Writer

Eric Suni has over a decade of experience as a science writer and was previously an information specialist for the National Cancer Institute.
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Medically Reviewed by

Kimberly Truong, Sleep Physician

Kimberly Truong

Sleep Physician

Dr. Truong is a Stanford-trained sleep physician with board certifications in sleep and internal medicine. She is the founder of Earlybird Health.
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A good night’s sleep empowers us to recover and to wake up refreshed and ready to take on the day. Unfortunately, many people have sleep problems and don’t get the rest that they need.

Insufficient sleep and poor quality sleep can be the result of diverse factors, including sleep disorders, medical conditions, and mental health. Sleep issues affect people of all ages, and their impacts touch many parts of our lives.

While sleep is too complex to sum up with only numbers, reviewing basic facts and figures about sleep can help you understand how sleep works, why it’s important, and how widespread sleep issues are.

📝 Got a hot tip? Pitch us your story idea, share your expertise with SleepFoundation.org, or let us know about your sleep experiences right here.

Statistics About How We Sleep

On average, we spend about two hours per night dreaming. Trusted Source National Institute of Neurological Disorders and Stroke (NINDS) NINDS aims to seek fundamental knowledge about the brain and nervous system and to use that knowledge to reduce the burden of neurological disease. View Source
In a normal sleep period, a person experiences four to six sleep cycles. Trusted Source National Center for Biotechnology Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source | Learn more
REM sleep makes up 20% to 25% of total sleep Trusted Source Division of Sleep Medicine at Harvard Medical School A production of WGBH Educational Foundation and the Harvard Medical School Division of Sleep Medicine. View Source in healthy adults.
80.7% of U.S. adults have taken a nap of 10 minutes or more in the past three months, according to a survey by Sleep Cycle and SleepFoundation.org. | Learn more
The key driver of the body’s circadian rhythm is the suprachiasmatic nucleus (SCN) in the brain, which is made up of around 20,000 neurons Trusted Source National Institute of General Medical Sciences (NIGMS) The NIGMS supports basic research that increases our understanding of biological processes and lays the foundation for advances in disease diagnosis, treatment, and prevention. View Source .
7% of adults nap every day, according to a survey by Sleep Cycle and SleepFoundation.org.

The average nap is about one hour, or 60.2 minutes, according to a survey by Sleep Cycle and SleepFoundation.org.
Metabolism drops by around 15% Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source during NREM sleep.
53.2% of U.S. adults sleep with their bedroom windows closed, according to a SleepFoundation.org survey, and 60.9% sleep with their door closed. | Learn more

Statistics About Insufficient Sleep and Sleep Inequity

Short sleep, or less than seven hours of sleep a night, is 10.7% more common among Black adults Trusted Source JAMA Network JAMA and the Specialty Journals help readers stay up to date with the latest research, author interviews, apps, and learning courses. View Source than whites. Oversleeping, or sleeping more than nine hours per night, is 1.4% more common among Blacks versus whites.
Adults ages 18 and 64 need seven or more hours of sleep Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source per night. Adults ages 65 or older need seven to eight hours.
4.8 of 10 U.S. of workers say they are regularly tired during the day, and 6.9 of 10 say they are tired when their work day is done, according to a SleepFoundation.org survey. | Learn more
More than one-third of U.S. adults Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source sleep less than seven hours per night, on average.
Among all states, Hawaii has the highest percentage of adults (43.2%) who get seven or fewer hours of sleep each night. | Learn more

Among U.S. counties, Boulder County in Colorado has the lowest percentage of adults (23.2%) Trusted Source Centers for Disease Control and Prevention (CDC) As the nation’s health protection agency, CDC saves lives and protects people from health threats. View Source who get seven or fewer hours of sleep each night.
42.6% of single parents Trusted Source Centers for Disease Control and Prevention (CDC) As the nation’s health protection agency, CDC saves lives and protects people from health threats. View Source sleep less than seven hours per night, compared to 32.7% of adults in two-parent homes and 31% of adults with no children.
51.2% of short-sleepers say that sleep problems run in their family, according to a SleepFoundation.org survey. | Learn more
Active-duty service members are 34% more likely to report insufficient sleep Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source than people with no history of military service.
Insufficient sleep has an estimated economic impact of more than $411 billion each year Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source in the United States alone.
Drowsy driving is responsible for more than 6,000 fatal car crashes Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source every year in the United States.

Statistics About Insomnia, Sleep Apnea, and Other Sleep Disorders

9% to 15% of U.S. adults Trusted Source UpToDate More than 2 million healthcare providers around the world choose UpToDate to help make appropriate care decisions and drive better health outcomes. UpToDate delivers evidence-based clinical decision support that is clear, actionable, and rich with real-world insights. View Source have insomnia that affects their daytime activities.
Women are 40% more likely to have insomnia Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source than men are.
76% of U.S. adults with a sleep issue or disorder share a household with at least one other person who does, according to a SleepFoundation.org survey.
55% of nurses Trusted Source Journal of Occupational and Environmental Medicine Journal of Occupational and Environmental Medicine is an indispensable guide to good health in the workplace for physicians, nurses, and researchers alike. In-depth, clinically oriented research articles and technical reports keep occupational and environmental medicine specialists up-to-date on new medical developments in the prevention, diagnosis, and rehabilitation of environmentally induced conditions and work-related injuries and illnesses. View Source say they experience insomnia. | Learn more
32% of people snore, according to a survey of visitors to SleepFoundation.org. 20.6% of them have been diagnosed with sleep apnea.
About 44% of men and 28% of women Trusted Source The New England Journal of Medicine (NEJM) The NEJM is recognized as one of the world’s leading medical journals. Published continuously for over 200 years, NEJM delivers high-quality, peer-reviewed research and interactive clinical content to physicians, educators, researchers, and the global medical community. View Source snore.
A 10% increase in body weight may make you six times more likely Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source to have OSA.
Some 0.9% of adults ages 40 and older Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source experience central sleep apnea (CSA).
You may exert as much as 250 pounds of force Trusted Source MSD Manuals First published in 1899 as a small reference book for physicians and pharmacists, the Manual grew in size and scope to become one of the most widely used comprehensive medical resources for professionals and consumers. View Source of force when you grind your teeth. | Learn more
Restless legs syndrome (RLS) affects 5% to 10% of adults and 2% to 4% of children Trusted Source Medline Plus MedlinePlus is an online health information resource for patients and their families and friends. View Source . | Learn more
1 in every 2,000 adults Trusted Source Medline Plus MedlinePlus is an online health information resource for patients and their families and friends. View Source has narcolepsy. In the U.S., that equates to about 165,950 people.
People with irritable bowel syndrome (IBS) are 37.6% more likely Trusted Source Saudi Journal of Gastroenterology View Source than others to have a sleep disorder.
66.8% of adults say they have talked in their sleep Trusted Source Sleep Medicine Research Sleep Medicine Research (Sleep Med Res) is an official journal of the Korean Society of Sleep Medicine (KSSM), Asian Society of Sleep Medicine (ASSM), Korean Society of Sleep Research, and Korean Society of Sleep and Breathing. View Source .
22.4% of adults Trusted Source Centers for Disease Control and Prevention (CDC) As the nation’s health protection agency, CDC saves lives and protects people from health threats. View Source say they have had a sleepwalking episode.
7.6% of people Trusted Source Sleep Medicine Research Sleep Medicine Research (Sleep Med Res) is an official journal of the Korean Society of Sleep Medicine (KSSM), Asian Society of Sleep Medicine (ASSM), Korean Society of Sleep Research, and Korean Society of Sleep and Breathing. View Source have had an episode of sleep paralysis.

Statistics About Sleep Disruptions

69% of men ages 40 and older and 76% of women in that age group get up to go to the bathroom Trusted Source National Center for Biotechnology Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source at least once per night.

Did you know?

Jet lag is worse when you fly eastwards because our circadian cycle is slightly longer than 24 hours.

Jet lag most often affects people when they fly across five or more time zones Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source with jet lag worsening the more time zones that they cross.
41% of primary care patients say that they experienced night sweats Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source at least once in a monthlong period.
94.8% of adults lose at least an hour of sleep to pain in a given week, according to a SleepFoundation.org survey. | Learn more

Painsomnia Sleeping Pain graphic desktop

63% of U.S. adults with heartburn Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source say it has affected their ability to sleep well.
Premenstrual syndrome (PMS) makes women at least two times as likely to report insomnia-like symptoms Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source before and during their period.
Around 50% of pregnant women Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source experience insomnia-like symptoms.
30% of couples who started sleeping in separate beds cited their sleep habits as the reason, according to a SleepFoundation.org survey | Learn more

Statistics About How Children and Teens Sleep

Babies up to 1 year old need 12 to 16 hours of sleep Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source each day.
Children 1 to 2 years old need 11 to 14 hours of sleep Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source each day, and children ages 3 to 5 need 10 to 13 hours.
Children ages 6 to 12 years old need nine to 12 hours of sleep Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source each day.
20% to 30% of children have trouble falling asleep or staying asleep Trusted Source UpToDate More than 2 million healthcare providers around the world choose UpToDate to help make appropriate care decisions and drive better health outcomes. UpToDate delivers evidence-based clinical decision support that is clear, actionable, and rich with real-world insights. View Source .
Babies born prematurely may spend around 90% of their day asleep Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source .
From the ages of 13 to 19, average total sleep per night drops by 40 to 50 minutes Trusted Source National Center for Biotechnology Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source .
57.8% of middle schoolers and 72.7% of high school students Trusted Source Centers for Disease Control and Prevention (CDC) As the nation’s health protection agency, CDC saves lives and protects people from health threats. View Source get less than the recommended amount of sleep for their age.
30.8% of parents and guardians say their school-age children are not getting enough sleep, according to a SleepFoundation.org survey. | Learn more
Up to 27% of children Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source have minor and infrequent snoring.
According to estimates, 10% to 50% of children ages 3 to 6 Trusted Source American Academy of Sleep Medicine (AASM) AASM sets standards and promotes excellence in sleep medicine health care, education, and research. View Source have occasional nightmares.
As many as 70% of children Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source with attention-deficit/hyperactivity disorder (ADHD) have mild to severe sleeping problems.
Children who lose 39 minutes of sleep or more have a harder time coping at school Trusted Source JAMA Network JAMA and the Specialty Journals help readers stay up to date with the latest research, author interviews, apps, and learning courses. View Source and typically feel worse than those getting enough sleep.
77.9% of adults say getting enough sleep is more important than being successful at a video game, compared to 60.1% of adolescents, according to a SleepFoundation.org survey. | Learn more

What's More Important, Winning Games or Getting Sleep?

Adolescents push their bedtime back by 16 minutes for every 30 minutes Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source they spend playing video games.

Statistics About Sleep and Mental Health

70% of adults with seasonal affective disorder (SAD) feel tired in the winter, compared to 44.2% of those without it, according to a SleepFoundation.org survey. | Learn more
40% of people with insomnia Trusted Source JAMA JAMA, published continuously since 1883, is an international peer-reviewed general medical journal. View Source may have a diagnosable mental-health condition.
83% of adults with depression Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source may have at least one symptom of insomnia.
58.2% of respondents with SAD use sleep aids, compared to 26.3% of those without SAD, according to a SleepFoundation.org survey.
54.4% of respondents to a SleepFoundation.org survey say stress and anxiety were the top reasons they have trouble falling asleep. Sunday was the night of the week in which they had the most trouble falling asleep. | Learn more
As much as 91% of U.S. adults with post-traumatic stress disorder (PTSD) Trusted Source CNS Drugs View Source have symptoms of insomnia.
80% of people with PTSD have nightmares Trusted Source American Academy of Sleep Medicine (AASM) AASM sets standards and promotes excellence in sleep medicine health care, education, and research. View Source within three months of experiencing trauma.
Wildfires can cause as much as 134.9 hours of lost sleep per year for a U.S. adult, according to a SleepFoundation.org survey. 76.6% of adults who have lost sleep to wildfires cite anxiety as the reason. | Learn more

72.5% of wildfire survivors Trusted Source National Center for Biotechnology Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source experience insomnia.

Statistics About Sleep Hygiene

On average, U.S. adults sleep on their side 54.1% of the time Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source , on their back 37.5% of the time, and on their stomach 7.3%.
58.3% of adults who shower or bathe before bed say that doing so helps them sleep, according to a SleepFoundation.org survey. | Learn more
Watching TV is the top bedtime ritual among U.S. adults, with 52.7% of respondents to a SleepFoundation.org saying they do it before bed. 50.4% of people who watch TV before bed get less than seven hours of sleep. | Learn more

Drinking more than two servings of alcohol per day for men and more than one serving per day for women can decrease sleep quality by 39.2% Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source .
51.2% of U.S. adults who sleep more than normal over Thanksgiving cite overeating and alcohol consumption as the reason, according to a SleepFoundation.org survey. | Learn more
On average, adults snack before bedtime 3.9 nights each week, according to a SleepFoundation.org survey. Adults who snack on seeds and nuts before bed sleep 32 minutes more, on average, than those who snack on chips, crackers, or pretzels. | Learn more

Statistics About Melatonin and Sleep Aids

The average melatonin dosage for adults is 4.8 milligrams, according to a SleepFoundation.org survey. 71.2% of adults take 5 milligrams of melatonin or less. | Learn more

79.4% of adults who take prescription sleep medication Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source experience a residual effect such as oversleeping, feeling groggy, or having a hard time concentrating the next day.
On average, U.S. adults who take melatonin do it 211 days each year, according to a SleepFoundation.org survey. 38.6% of adults take melatonin every day.
8.2% of adults Trusted Source Centers for Disease Control and Prevention (CDC) As the nation’s health protection agency, CDC saves lives and protects people from health threats. View Source say they took medication to help them sleep at least four times in the past week.
55.8% of adults have consumed at least one sleep aid in the past month, according to a SleepFoundation.org survey. 49.1% of adults have used melatonin, which is the most popular sleep aid. | Learn more
20% of U.S. adults use marijuana or cannibidiol (CBD) Trusted Source American Academy of Sleep Medicine (AASM) AASM sets standards and promotes excellence in sleep medicine health care, education, and research. View Source as a sleep aid. | Learn more
88% of adults who take melatonin say it helps them fall asleep faster, according to a SleepFoundation.org survey.
23.4% of U.S. adults have taken Benadryl, or diphenhydramine, as a sleep aid in the past month, according to a SleepFoundation.org survey. | Learn more
Melatonin use increased 425% Trusted Source JAMA Network JAMA and the Specialty Journals help readers stay up to date with the latest research, author interviews, apps, and learning courses. View Source between 1999 and 2018 among U.S. adults.
Melatonin supplements may include 478% more melatonin per dose Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source than what is advertised.
Sleep trackers are projected to become a $11.2 billion business by 2028.
28.2% of adults use a cellphone Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. View Source to track their sleep. These include sleep-tracker apps.

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Written By

Eric Suni, Staff Writer

Eric Suni has over a decade of experience as a science writer and was previously an information specialist for the National Cancer Institute.

Medically Reviewed By

Kimberly Truong, Sleep Physician PhD

Dr. Truong is a Stanford-trained sleep physician with board certifications in sleep and internal medicine. She is the founder of Earlybird Health.

Learn more about our Editorial Team

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