- a record of a person's sleep pattern, breathing, heart activity, and limb movements during sleep. Abbreviation: PSG
Origin of polysomnogram
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- The record obtained in polysomnography.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.