<span style="color:#FF0000">This article is a [[{{stub]]. You can help the '''Apnea Board Wiki''' by expanding it with additional information and sections. For help on the proper way to edit a wiki page, go to the [[Apnea Board Editor Guide]].</span>}}
The '''Apnea Index (AI)''' is the component of the [[Apnea Hypopnea Index (AHI)]] that represents the average number of [[apnea]] events that occur during each hour of sleep.