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Insomnia Causes


Insomnia is a sleep disorder characterized by difficulty in sleeping. It can be caused by a number of psychological or physical factors; one of the most common being stress. Insomnia may either be primary (not associated with any other health condition) or secondary (caused by an underlying condition, medication, or a person’s lifestyle).

The Top 10 Resources on Insomnia Causes

Selected by our Guides and Physician Review Team.

  1. Mayo Clinic: Insomnia: Causes
  2. eMedicineHealth: Insomnia Causes
  3. The Merck Manuals: Sleep Disorders: Insomnia
  4. American Insomnia Association: Causes of Insomnia
  5. NHS Direct: Insomnia Causes
  6. FamilyDoctor: What Causes Insomnia?
  7. eMedicine: Insomnia Introduction
  8. Wikipedia: Insomnia Causes
  9. Cleveland Clinic (via WebMD): Insomnia Causes

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Each WisdomCard is handcrafted by our team of physician-guided health advocates. Our goal is to make it easy for you to find the most useful health resources for any health topic by filtering out spam and bad links.