Sleep specialists measure apnea severity using the following key tools and methods: AHI is the primary measurement. The apnea-hypopnea index (AHI) counts breathing disruptions per hour of sleep to classify obstructive sleep apnea (OSA) as mild, moderate, or severe. Two types of sleep studies gather the data. In-lab polysomnography and at-home sleep apnea tests both measure breathing patterns, but differ in complexity and detail. Severity guides treatment decisions. Your AHI score, ... [Read More]

