Definition of "hypopnea" [hypopnea]

• Abnormally slow, shallow breathing. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Although there was no difference in the mean obstructive apnea/hypopnea index values between the two groups, obese children had significantly shorter sleep latency times (time taken to fall asleep) than the nonobese kids (12 vs. 18 mins)."
• "The study included 264 participants (average age 61, average BMI 37) with an apnea-hypopnea index (AHI) of 23.2 events per hour were randomly assigned to either a behavioral weight loss program or 3 group sessions on diabetes support and education."
• "As part of the Sleep Heart Health Study, researchers assessed the apnea-hypopnea index (AHI) of more than 6,400 men and women between 40 to 70 years old based on home monitoring of night-time breathing, sleep patterns, and blood oxygen levels."