Insomnia Review

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Insomnia Review

Last edited | 02/01/2009

Written by Maurice M. Ohayon, MD, DSc, PhD

•Is insomnia a problem of:

–Frequency?
–Severity?
–Chronicity

–

•What may cause insomnia?

-Mental disorder
-Sleep disorder
-Medical condition
-Age and gender
-Life style

•What are the consequences of insomnia?

-Health
-Mental disorders
-Daytime functioning

WHAT IS INSOMNIA?

The epidemiological approach for measuring insomnia can be summarized by:

1.Dissatisfaction with QUANTITY of sleep

Dissatisfaction with QUALITY of sleep

•

INSOMNIA SYMPTOMS

Chronicity of insomnia symptoms

About 4% --> 1 month or less
About 6% --> between > 1 and < 6 months
•About 5% --> between >= 6 and <12 months
•About 85% --> 1 year or more
About 68% --> 5 years or more

(Based upon data from Ohayon et al, 1996, 1997, 2001, 2002)

WHAT MAY CAUSE INSOMNIA?

Content of this page is extracted from Ohayon MM. Conference, Sleep Epidemiology Center, Palo Alto, 2001.

Dyssomnias

• Breathing Disorders

• Daytime Sleepiness

• Hypersomnia (disabled)

• Insomnia

• Narcolepsy

• Periodic Limb Movement

• Restless Legs Syndrome

Insomnia: More info...

• Epidemiology of Insomnia

• Insomnia Review

• Etiological Forms

• EDS*insomnia in Elderly

• Insomnia and Pain

EDS=Excessive Daytime Sleepiness. More info...

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