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Auto CPAP or APAP Machines. Similar to the CPAP machine, auto adjusting or APAP machines automatically calculate a patientâs required pressure and adjust to a comfortable level without any pre-set programming. These machines are ideal for patients who have various pressures during the night.
CPAP Machine. The CPAP machine is the workhorse of your treatment. With a small motor, it takes in room air, filters it, and generates the air pressure that is the mainstay of treating sleep apnea. Newer units are small, often smaller than a loaf of bread, and relatively quiet. The newest ones make little to no noise.