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Sleep facts and statistics: insomnia, sleep disorders, health risks, and more

person wide awake in bed fighting insomnia which is one of the sleep statistics

Sleep and insomnia statistics

Sleep is an essential function where the body restores and replenishes itself.  Insomnia is when you have trouble falling asleep, staying sleep, and/or poor sleep quality.  These sleep issues can be short-term (acute) or long-term (chronic).

United States

1 in 3 adults don’t get enough sleep (CDC)

50 to 70 million adults have a sleeping disorder (CDC)

10 percent of U.S. adults have a chronic insomnia disorder (Amer Academy of Sleep Med)

Around 1 in 4 U.S. workers has insomnia (Medical Xpress)

Insomnia costing US workforce $63.2 billion a year in lost productivity (Sciencedaily.com)

Canada

One in three Canadians sleep less than the recommended seven to nine hours per night (Statistics Canada)

43 percent of men and 55 percent of women aged 18 to 64 reported trouble going to sleep or staying asleep (Statistics Canada)

United Kingdom

22 percent of people in the UK struggle to fall asleep every single night (Linenbundle.com)

Two thirds of UK adults suffer from disrupted sleep (Aviva.com)

Average person living in the UK sleeps for between 5.78 and 6.83 hours per night (Great British Sleep Survey)

Worldwide

In 1942, 8 hours of sleep was the norm, now 6.8 is the average (dreams.co.uk)

Every night as many as a third of adults worldwide struggle with sleep (World Sleep Society)

62 percent of adults worldwide feel that they don’t sleep well when they go to bed (World Economic Forum)

By age group

Adolescents sleep statistics

Only half of US children get enough sleep during the week (ScienceDaily)

6 in 10 middle schoolers and 7 in 10 high schoolers don’t get enough sleep (CDC)

Teens sleep statistics

2 out of 3 high school-aged adolescents aren’t getting enough sleep (CDC)

73 percent of high school students regularly do not get a healthy amount of sleep (Healthline.com)

College students sleep statistics

Up to 60 percent of all college students suffer from a poor sleep quality (Neuropsychiatric Disease and Treatment)

More than 70 percent of college students say they get less than eight hours of sleep a day (University of South Florida)

60 percent of college students say they are “dragging, tired, or sleepy” at least three days a week (University of South Florida)

Seniors sleep statistics

More than one-half of the elderly have at least one sleep complaint (Psychiatrictimes.com)

Insomnia affects 45 percent of adults aged 65 to 79 years (Psychiatrictimes.com)

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husband snoring and keeping wife awake

Snoring facts and statistics

Snoring is a common problem which happens when air flowing through the mouth, nose, and throat is obstructed.  This causes tissues in the throat to vibrate resulting in a loud and annoying noise.

25 percent of the population are regular snorers, 45 percent snore sometimes, and about 10% of children snore (devdent.com)

57 percent of men, 40 percent of women, and up to 27 percent of children snore in the US (SleepFoundation.org)

45 percent of adults snore occasionally, while 25 percent snore regularly (Johns Hopkins)

Snoring is actually the third leading cause of divorce in the United States (Dreamsleep.ca)

Sleep apnea facts and statistics

Sleep apnea is a common sleep disorder in which breathing stops or gets shallow during sleep.  It can be due to a mechanical problem in which the throat relaxes too much (obstructive sleep apnea) or a communication problem between the brain and the muscles that control breathing (central sleep apnea).

As the brain and body become oxygen deprived, normal sleep cycles are disturbed when you fall out of restorative deep sleep into light sleep.  People with sleep apnea wake up feeling exhausted even though they have had a full night of sleep.

Obstructive sleep apnea (OSA)

Obstructive sleep apnea affects between 2-9% of adults in the United States (SleepFoundation.org)

22 million Americans suffer from sleep apnea with 80 percent of the cases of moderate and severe obstructive sleep apnea undiagnosed (American Sleep Apnea Association)

Nearly a billion people worldwide affected by obstructive sleep apnea (The Lancet)

Central sleep apnea (CSA)

In the US, central sleep apnea is seen in less than 1 percent of people (Emedicine)

While OSA is common in the adult population, central sleep apnea affects less than 10 percent of patients referred for a sleep study (American College of Cardiology Foundation)

Complications

Severe sleep apnea in middle or old age can up your risk of dying prematurely by up to 46 percent (Johns Hopkins)

Sleep apnea can raise your risk of a stroke by two or three times (Amer Journal of Respiratory and Critical Care Medicine)

People with sleep apnea have double the risk of getting diabetes (YaleNews)

airplane in the sky

Jet lag facts and statistics

Jet lag occurs when you travel across time zones and your body’s biological clock is not in sync with local time.  Flying through three or more different time zones can upset the body’s 24-hour circadian rhythms.

93 percent of all travelers will experience jet lag at some point (American Sleep Association)

Individuals over the age of 50 are more likely to develop jet lag and have worse symptoms than those under the age of 30 (National Association of Managed Care Physicians)

Shift work disorder facts and statistics

Working outside of traditional daytime hours goes against the body’s internal clock.  People with shiftwork disorder have trouble falling asleep and staying asleep due to working nights or rotating shifts.

About 20 percent of the fulltime workforce in the US is involved in some form of shift work (Cleveland Clinic)

Researchers found that women who worked on rotating night shifts for more than five years were up to 11 percent more likely to have died early compared to those who never worked those shifts (Time.com)

Restless leg syndrome facts and statistics

People with restless leg syndrome get uncomfortable sensations in the legs and have an irresistible urge to move them.  This can make it difficult to fall asleep and stay asleep.

7-10 percent of the US population may have restless leg syndrome (NIH)

Restless leg syndrome affects 5 to 10 percent of adults and 2 to 4 percent of children in the United States (MedlinePlus)

Restless legs syndrome worldwide prevalence varies between 0.01 percent and 18.3 percent (Sleep and Breathing volume)

Sleepwalking facts and statistics

Sleepwalking is a disorder that occurs when people walk or do other activities while asleep.  It’s more common in kids and young adults.

In the US up to 8 million people are prone to sleepwalking (ScienceDaily)

As many as 40 percent of kids have sleepwalked (Innovations in Clinical Neuroscience)

Narcolepsy facts and statistics

People with narcolepsy have daytime sleep attacks where they suddenly feel tired or fall asleep without warning.   It’s thought to be a central nervous system disorder in which the brain doesn’t correctly regulate sleep.

Narcolepsy affects 1 in every 2,000 people in the United States (Narcolepsy Network)

200,000 Americans and around 3 million people worldwide have narcolepsy (Narcolepsy Network)

Only 25 percent of people who have narcolepsy have been diagnosed and are receiving treatment (Narcolepsy Network)

Man drawing the complications of insomnia

Insomnia ties to other health issues

You may be worried because your barking dog wakes up the baby, but there are other things that can help keep your infant’s sleep on track:

Anxiety and Depression

In the US, chronic sleep problems affect 50 to 80 percent of patients in a typical psychiatric practice, compared with 10 to 18 percent of adults in the general population (Harvard Health)

Surveys suggest the prevalence of anxiety disorder is about 24 to 36 percent in people with insomnia (Dialogues in Clinical Neuroscience)

65 to 90 percent of adult patients and 90% of children with major depression experience some kind of sleep problem (Harvard Health)

Diabetes

Risk of diabetes was 16 percent higher in individuals with insomnia (Endocrineweb.com)

People with insomnia were 28 percent more likely to develop type 2 diabetes than those without insomnia (BMJ Open Diabetes Research & Care)

Half of people with type 2 diabetes have sleep problems (sleepfoundation.org)

Heart disease

As many as 44 percent of cardiac patients experience insomnia (American College of Cardiology Foundation)

A study of more than a million people indicates people suffering from insomnia may have an increased risk of coronary artery disease, heart failure and stroke (ScienceDaily)

Coronavirus

Major study suggest rates of insomnia rates increased 37 percent due to COVID pandemic (Sleep Medicine)

40 percent of people are experiencing sleep problems during the pandemic (Journal of Clinical Sleep Medicine)

You may also be interested in:

Sources:

1. “Brain Basics: Understanding Sleep”, NIH website

2. “Insomnia”, MedlinePlus website

3. “Restless Legs Syndrome Fact Sheet”, NIH website

4. “Sleepwalking”, MedlinePlus website

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