Table of Contents
- Overview
- Symptoms
- Treatment
- Prevention
Insomnia is difficulty getting to sleep or staying asleep, or having nonrefreshing sleep for at least 1 month.
Alternative Names
Psychophysiological insomnia; Learned insomnia; Chronic insomnia; Primary insomnia
Causes, incidence, and risk factors
Primary insomnia refers to insomnia that is not caused by any known physical or mental condition.
Insomnia is caused by many different things. The most common causes of insomnia are:
- Alcohol
- Anxiety
- Coffee
- Stress
Secondary insomnia is caused by a medical condition.
Review Date: 08/17/2009
Reviewed By: Andrew Schriber, MD, FCCP, Specialist in Pulmonary, Critical Care,
and Sleep Medicine, Virtua Memorial Hospital, Mount Holly, New
Jersey. Review provided by VeriMed Healthcare Network. Also
reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)

