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Sleep Statistics


Insomnia Statistics

20-40% of all adults have insomnia in the course of any year
   
1 out of 3 people have insomnia at some point in their lives
   
Over 70 million Americans suffer from disorders of sleep and wakefulness
   
Of those, 60% have a chronic disorder


Sleep Apnea Statistics


Over 18 million Americans suffer from sleep apnea
   
An estimated 10 million Americans remain undiagnosed
   
Over 50% of all apnea cases are diagnosed in people aged 40 and over
   
More prevalent in men than women
   
4 to 9% of middle-aged men suffer from apnea
   
2 to 4% of middle-aged women suffer from apnea


Narcolepsy Statistics


Affects as many as 200,000 Americans
   
Fewer than 50,000 are diagnosed
   
8 to 12% have a close relative with the disease
   
Affects men slightly more than women
   
20 to 25% of people with narcolepsy have all four symptoms
(excessive daytime sleepiness, sudden loss of muscle function, sleep paralysis, hallucinations)


Restless Leg Syndrome Statistics


Affects as many as 10% of Americans
   
Can begin at an early age and worsens with age
   
Pregnancy or hormonal changes can temporarily worsen this disorder


Children & Sleep Statistics

Over 2 million children suffer from sleep disorders
   
Estimated that 30 to 40% of children to not sleep enough
   
Children require an average of 9 to 10 hours of sleep each night


Women & Sleep Statistics

Women are twice as likely as men to have difficulty falling and staying asleep
   
Pregnancy can worsen sleep patterns
   
Menopause and hormone changes cause changes in sleep


Older Adult Statistics

Over half of those over the age of 65 experience disturbed sleep
   
Those over 65 make up about 13% of the US population, but consume over 30% of prescription drug and 40% of sleeping pills


General Statistics


Adults require an average of 8 to 8.5 hours of sleep each night
   
Sleep problems add an estimated $15.9 billion to national health care costs
   
84 classifications of sleep disorders exist
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