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Sleep Fundamentals || A is for Apnea

Updated information on sleep apnea

Sleep Fundamentals: What is Sleep Apnea?

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This post first appeared September 26, 2014 and was updated on July 3, 2017.

What is Apnea?

*APNEA: A complete cessation of airflow for at least ten seconds during sleep. Apneas may be central, obstructive, or mixed.

Types of Apnea

  • CENTRAL APNEA (aka CSA)
    A complete cessation of airflow and respiratory effort for at least ten seconds during sleep.
  • OBSTRUCTIVE APNEA (aka OSA)
    A full cessation of airflow for at least 10 seconds during sleep which is associated with a continuation of respiratory effort.
  • MIXED APNEA (aka COMPLEX APNEA)
    A full cessation of airflow for at least ten seconds which begins central (no associated respiratory effort) and ends obstructive (respiratory effort).

8 popular links on sleep apnea in SleepyHeadCentral:

  1. Do you have insomnia… or do you have sleep apnea?
  2. Edward Grandi on Sleep Apnea: What is it and what can I do about it?
  3. Suspect your snoring sleep partner might have apnea? Check these five signs
  4.  Therapies for Sleep Apnea that don’t involve a mask
  5. What happens if I don’t treat my sleep apnea?
  6. The easy, obvious way to deal with snoring and mild sleep apnea is to …
  7. Go to the dentist to fix your apnea?
  8. “Heard About Sleep?” APNEA… If not, listen in here.

Links to learn more:


*SOURCE for DEFINITION: Spriggs, WH. (2010.) Glossary. In Essentials of Polysomnography (pp585-606). Sudbury, MA: Jones and Bartlett Publishers

Sleep Fundamentals || A is for Apnea

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