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What causes insomnia?

ANSWER

Short -term insomnia may stem from a simple cause, such as jet lag, an illness, a stressful event, or drinking too much coffee. Many medications have insomnia as a side effect.

Long-term insomnia may be caused by stress, depression, or anxiety. People who abuse alcohol or drugs often have insomnia.

Circadian rhythm disorders are an important but less common cause of insomnia.

SOURCES: 

American Academy of Family Physicians. 

WebMD Health News: "Trouble Sleeping? It Could Be a Warning Sign of Depression In Older People." 

American Academy of Child and Adolescent Psychiatry. 

Lucile Packard Children's Health Services. 

Medline Plus: "Narcolepsy." 

Agency for Healthcare Research and Quality.

Reviewed by Carol DerSarkissian on June 13, 2020

SOURCES: 

American Academy of Family Physicians. 

WebMD Health News: "Trouble Sleeping? It Could Be a Warning Sign of Depression In Older People." 

American Academy of Child and Adolescent Psychiatry. 

Lucile Packard Children's Health Services. 

Medline Plus: "Narcolepsy." 

Agency for Healthcare Research and Quality.

Reviewed by Carol DerSarkissian on June 13, 2020

NEXT QUESTION:

What type of sleep problem is insomnia?

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