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Diseases » Sleep disorders » Prevalence

Prevalence Statistics for Types of Sleep disorders

The information below shows a list of types of Sleep disorders, with information as to the prevalence of each of these types. Estimates of the people affected are calculated based on the available statistic.

Disease	Prevalence Estimate	US people estimate	Statistic Used for Calculation
Sleep disorders (overall)	approx 1 in 6 or 14.71% or 40 million people in USA	39,999,999	approximately 40 million Americans (NHLBI)
Insomnia	approx 1 in 8 or 11.76% or 32 million people in USA	31,999,999	32 million (unreliable estimate)
Sleep apnea	approx 1 in 15 or 6.62% or 18 million people in USA	18,000,000	estimated 18 million Americans (NHLBI)
Obstructive sleep apnea	approx 1 in 22 or 4.41% or 12 million people in USA	11,999,999	12 million Americans
Problem Sleepiness	N/A	N/A	No information
Narcolepsy	approx 1 in 1,359 or 0.07% or 200,000 people in USA	200,000	200,000 Americans (NHLBI estimate); 50,000 diagnosed.
Fatal Familial Insomnia	N/A	N/A	No information
Pickwickian syndrome	N/A	N/A	No information

Prevalence Statistics for Sleep disorders

Prevalance of Sleep disorders:

approximately 40 million Americans (NHLBI)

Prevalance Rate:

approx 1 in 6 or 14.71% or 40 million people in USA [about data]

Types of Sleep disorders

For more information about types of Sleep disorders, refer to our section on types of Sleep disorders.

About prevalence:

The medical term 'prevalence' of Sleep disorders usually refers to the estimated population of people who are managing Sleep disorders at any given time, whereas the annual diagnosis rate of new cases of Sleep disorders is called the 'incidence'. For more information on prevalence and incidence statistics, see about prevalence and incidence statistics.

» Next page: Causes of Sleep disorders

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Prevalence Statistics for Types of Sleep disorders