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Insomnia is a topic covered in the Diagnosaurus.

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Don’t miss

  • Depression
  • Alcohol abuse


  • Acute: emotional stress, physical discomfort, jet lag
  • Alcohol abuse
  • Stimulants, eg, caffeine, nicotine, cocaine, pseudoephedrine
  • Depression
  • Poor sleep hygiene, eg, daytime naps, TV in bed
  • Mania or bipolar disorder
  • Medical illness, eg, chronic obstructive pulmonary disease, uremia, hyperthyroidism, hepatic encephalopathy, gastroesophageal reflux disease
  • Nocturia, eg, diuretics, benign prostatic hyperplasia, urinary incontinence, congestive heart failure
  • Restless leg syndrome
  • Menopause
  • CNS disease, eg, complex partial seizures, brain tumor, neurosyphilis
  • Medications, eg, corticosteroids, SSRIs, theophylline, benzodiazepine withdrawal
  • Circadian rhythm disorder

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Last updated: February 24, 2015


Zeiger, Roni F.. "Insomnia." Diagnosaurus, 4th ed., McGraw-Hill Education, 2015. Emergency Central, emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114942/all/Insomnia.
Zeiger RF. Insomnia. Diagnosaurus. 4th ed. McGraw-Hill Education; 2015. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114942/all/Insomnia. Accessed April 18, 2019.
Zeiger, R. F. (2015). Insomnia. In Diagnosaurus. Available from https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114942/all/Insomnia
Zeiger RF. Insomnia [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2015. [cited 2019 April 18]. Available from: https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114942/all/Insomnia.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Insomnia ID - 114942 A1 - Zeiger,Roni F, Y1 - 2015/02/24/ BT - Diagnosaurus UR - https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114942/all/Insomnia PB - McGraw-Hill Education ET - 4 DB - Emergency Central DP - Unbound Medicine ER -