40 million Americans have chronic sleep disorders and 20 million have short-term sleep problems. The elderly are most affected. Common disorders include insomnia and sleep apnea, costing $16 billion in medical costs annually. Sleep deprivation can lead to falling asleep while driving and weight gain. We spend two hours dreaming each night.
An estimated 40 million Americans have chronic sleep disorders and another 20 million have short-term sleep problems, experts say. The frequency of chronic sleep disorders is greatest for the elderly, as about half of all people over the age of 65 reported having difficulty sleeping. The most common sleep disorders include insomnia, which is when it is difficult to fall or stay asleep, and sleep apnea, a disorder characterized by brief interruptions in breathing during sleep. In the United States, sleep disorders and related sleep deprivation are estimated to lead to approximately 16 billion United States Dollars (USD) in medical costs each year.
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One study found that nearly 5 percent of Americans reported falling asleep at least briefly while driving during the previous month.
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On average, we spend about two hours of sleep every night dreaming.
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