Prevalence and Incidence of Sleep disorders

Prevalance of Sleep disorders:

approximately 40 million Americans (NHLBI) ... see also overview of Sleep disorders.

Prevalance Rate:

approx 1 in 6 or 14.71% or 40 million people in USA [Source statistic for calcuation: "approximately 40 million Americans (NHLBI)" -- see also general information about data sources]

Prevalance of types of Sleep disorders:

For details see prevalence of types of Sleep disorders analysis; summary of available prevalence data:

• Insomnia: 32 million (unreliable estimate)
• Sleep apnea: estimated 18 million Americans (NHLBI)
• Obstructive sleep apnea: 12 million Americans
• Narcolepsy: 200,000 Americans (NHLBI estimate); 50,000 diagnosed.
• more types of Sleep disorders...»

Undiagnosed prevalence of Sleep disorders:

about 40 million (almost all cases are undiagnosed according to some reports) ... see also misdiagnosis of Sleep disorders.

Undiagnosed prevalence rate:

approx 1 in 6 or 14.71% or 40 million people in USA [about data] ... Note: this rate calculation uses the following statistic: about 40 million (almost all cases are undiagnosed according to some reports)

More Statistics about Sleep disorders:

All statistics for Sleep disorders

About prevalence and incidence statistics:

The term 'prevalence' of Sleep disorders usually refers to the estimated population of people who are managing Sleep disorders at any given time. The term 'incidence' of Sleep disorders refers to the annual diagnosis rate, or the number of new cases of Sleep disorders diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.

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