Health

Apnea-Hypopnea Index (AHI) Calculator

Classify sleep apnea severity from your sleep study data.

Total Apnea Events

Total Hypopnea Events

Total Sleep Time (hours)

AHI—

Severity—

Events per Hour—

AHI = (Apneas + Hypopneas) / Total Sleep Hours
Normal: <5 | Mild: 5-14 | Moderate: 15-29 | Severe: ≥30