AASM Scoring Manual 2018-04-19T17:36:40+00:00

The AASM Manual for the Scoring of Sleep and Associated Events

The Definitive Sleep Scoring Resource

The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications is the definitive reference for the evaluation of polysomnography (PSG) and a home sleep apnea test (HSAT). This comprehensive and continuously evolving resource provides rules for scoring sleep stages, arousals, respiratory events during sleep, movements during sleep and cardiac events. The AASM Scoring Manual also provides standard montages, electrode placements and digitization parameters. This online publication is indispensable for sleep technologists, and it is an essential reference for physicians who interpret sleep studies.

Scoring Manual Version 2.5 (released April 2018)

  • Summary of Updates in Version 2.5 (April 2018)
  • All subscribers had digital access to Version 2.5 starting April 2, 2018.
  • All AASM-accredited sleep facilities are required to have implemented the rules in Version 2.5 by October 1, 2018.

The Scoring Manual Subscription

Annual Subscription Only ($20 members; $40 nonmembers)

Updated annually, the AASM Scoring Manual is an online and app-based resource offering you digital access from your desktop, tablet and mobile device. An annual subscription ensures that you always have immediate access to the current version of the manual, and it enables you to remain compliant with AASM accreditation standards.

Subscription and Print Bundle ($40 members; $80 nonmembers)

The bundle provides both the versatility of the digital version and the convenience of the complementary print version, which is an essential reference for your sleep facility or home library. Additional copies of the printed version may be purchased once you have logged on to the Scoring Manual user page.

Subscriptions for the AASM Scoring Manual run on a calendar year basis. Individuals who subscribe now will have access through December 2018. AASM Accredited Facility Members may provide unlimited access for all staff members at a flat rate through the institutional subscription program.

Already have Scoring Manual Subscription? View tutorial on how to login and access it.

Scoring Manual Revision and Launch Timeline

Mid-February: Advance notice of upcoming changes sent via email and announced in the AASM Insider.

April 1: Online launch of new version, includes all changes approved by the AASM Board of Directors. Subscribers will have immediate access.

SLEEP Meeting (June): Print copies of the new version of the Scoring Manual available at the SLEEP meeting Society Booth.

October 1: All AASM-accredited facilities need to be in compliance with rules in the new version.


Along with your online subscription, subscribers now have access to a list of frequently asked questions about the AASM Scoring Manual with responses.

For any additional questions about the Scoring Manual, please contact the AASM by sending an email to scoringmanual@aasm.org or calling (630) 737-9700.

Summary of Updates

The following are summaries of the revisions made for each major update of the AASM Scoring Manual including the dates when these new versions were released.

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