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What is insomnia?

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Insomnia is a sleep disorder that is characterized by difficulty falling and/or staying asleep. People with insomnia have one or more of the following symptoms:

  • Difficulty falling asleep
  • Waking up often during the night and having trouble going back to sleep
  • Waking up too early in the morning
  • Feeling tired upon waking

From: An Overview of Insomnia WebMD Medical Reference

SOURCES:  The National Sleep Foundation. American Insomnia Association.

Reviewed by Nayana Ambardekar on February 6, 2019

SOURCES:  The National Sleep Foundation. American Insomnia Association.

Reviewed by Nayana Ambardekar on February 6, 2019

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What are the different types of insomnia?

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