The ahi will be used to help select the most appropriate treatment. Each pause can last for a few seconds to a few minutes and they happen many times a night. 7 Eye Opening Diy Ideas Nora Smart Snoring Solution Amazon 15 to 29 events suggests moderate apnea. Ahi definition sleep apnea . Obstructive sleep apnea. To count in the index apneas and hypopneas collectively called events must have a duration of at least 10 seconds. Sleep apnea is a serious sleep disorder that occurs when a person s breathing is interrupted during sleep people with untreated sleep apnea stop breathing repeatedly during their sleep sometimes. Based on the ahi the severity of osa is classified as follows. In the most common form this follows loud snoring. Goal ahi to optimize cpap therapy. Apnea hypopnea index ahi measures sleep apnea severity. Sleep apnea also spelled sleep apnoea is a sleep disorder where a person has pauses in breathing or periods of shallow breathing during sleep. The ap...