The apnea-hypopnea index (AHI) counts breathing pauses per hour; mild is 5–14, moderate 15–29, and severe 30 or more

https://sleepapneamatch.com/blog/sleep-apnea-surgery-recovery-guide/

The apnea-hypopnea index (AHI) counts breathing pauses per hour; mild is 5–14, moderate 15–29, and severe 30 or more, guiding treatment decisions and insurance coverage.