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    Continuous Positive Air Pressure (CPAP)

    Continuous positive air pressure (CPAP) uses gentle air pressure to hold the airway open. CPAP is often the most effective treatment for sleep apnea. It works very well as a treatment for adults diagnosed with obstructive sleep apnea with a lot of sleepiness. But keep in mind that it can take several adjustments before the setup is right for you.

    How CPAP works

    The CPAP machine is a small portable pump that sits beside the bed. The pump sends air through a hose. This is held over your nose alone, or nose and mouth by a mask. Mild air pressure is gently pushed through your airway. The air pressure nudges sagging tissues aside. This widens the airway so you can breathe better. CPAP may be combined with other kinds of therapy for sleep apnea.

    Side view of head with arrow showing path of air through CPAP mask into nose and airway.
    A mask over the nose gently directs air into the throat to keep the airway open.

    Types of air pressure treatments

    There are different types of CPAP. Your healthcare provider or CPAP technician will help you decide which type is best for you:

    • Basic CPAP keeps the pressure constant all night long.

    • A bilevel device (BiPAP) provides more pressure when you breathe in and less when you breathe out. A BiPAP machine also may be set to provide automatic breaths to maintain breathing if you stop breathing while sleeping.

    • An auto CPAP device automatically adjusts pressure throughout the night and in response to changes. These include body position, sleep stage, and snoring.

    Online Medical Reviewer: Chris Southard RN
    Online Medical Reviewer: Deborah Pedersen MD
    Online Medical Reviewer: Raymond Kent Turley BSN MSN RN
    Date Last Reviewed: 4/1/2023
    © 2000-2024 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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    Southern New Mexico
    Surgery Center

    2301 Indian Wells Rd. Suite B
    Alamogordo, NM 88310
    www.snmsc.org

    Phone: 575.437.0890
    Fax: 575.437.0905
    Email: info@snmsc.org

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