Automatic Positive Airway Pressure. Another form of PAP technology that automatically adjusts the pressure throughout the night to give the user the minimum average amount of therapy pressure needed a [..]

Rapid eye movement. The erratic eye movement seen during the REM phase of the Delta stage of your sleep cycle. Delta stage sleep is the most important for feeling well rested and restored in the morni [..]

The tests done to determine at what pressure your apneas and hypopneas are eliminated when you sleep.

Continuous Positive Airway Pressure. The technology behind your treatment. Also used when talking about the machine used to deliver this pressure or the mask used to deliver the pressure to your airwa [..]

The abbreviation for Obstructive Sleep Apnea, the most common form of sleep apnea.

Absence of airflow and inspiratory effort; apnea caused by irregularity in the brain's control of breathing, instead of an obstruction, as with OSA.

A period of time while sleep in which no oxygen is being received in the airway. The time in the night when the obstruction completely closes off your airway, causing you to stop breathing.

The stage during sleep when your airway is partially blocked, causing your air intake to decrease but not completely cease.

A measure of the severity of sleep apnea; the number of apnea events per hour.

An important measure of the severity of sleep apnea; the number of apneas and hypopneas per hour. 5-20=mild, 21-50=moderate, above 51 severe.