What is CPAP therapy for Obstructive Sleep Apnea?

Reviewed by Yoshinori Abe, MD

Internal Medicine

CPAP (Continuous Positive Airway Pressure) therapy is the most common treatment for obstructive sleep apnea. It uses a small bedside machine that delivers a steady stream of pressurized air through a mask, keeping your airway open while you sleep. This helps prevent breathing pauses, reduces snoring, improves oxygen levels, and can significantly lower the risk of complications like high blood pressure, heart disease, and daytime fatigue.

If you're experiencing symptoms like loud snoring, gasping during sleep, morning headaches, or persistent tiredness, don't wait to find answers. Take a free, instant, online symptom check to better understand what may be going on and get personalized guidance on your next steps.

Reviewed for medical accuracy: 07/20/2026

Important Next Steps

Learn if CPAP therapy fits you Discover likely causes of your sleep issues See if sleep apnea needs care Find OTC options for nasal dryness Find a sleep specialist near you Understand home remedies for CPAP discomfort Find out if CPAP could help

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Explanation

CPAP, or Continuous Positive Airway Pressure, is a common treatment for people who have obstructive sleep apnea (OSA). It involves using a special machine that provides a steady flow of air through a mask. This helps keep your airway open while you sleep, making it easier to breathe.

How It Works

Machine: The CPAP machine is usually placed beside your bed.
Mask: You wear a mask over your nose or mouth while sleeping.
Airflow: The machine sends a gentle stream of air into the mask to keep your throat from collapsing.

Benefits

Better Sleep: Helps you get a good night's sleep by reducing snoring and breathing interruptions.
Health Improvement: Can improve daytime alertness and reduce the risk of heart problems related to sleep apnea.

CPAP therapy is considered effective for many people with OSA, as it helps keep the airway open and ensures a regular breathing pattern during sleep. However, it might take some time to get used to wearing the mask and using the machine every night. If you're experiencing symptoms like loud snoring, daytime fatigue, or interrupted breathing during sleep, you can check your symptoms with this free AI-powered tool to better understand your condition before consulting with your doctor about whether CPAP is a good option for you.

(References)

Patel SR, White DP, Malhotra A, Stanchina ML, & Ayas NT. (2003). Continuous positive airway pressure therapy for treating .... Archives of internal medicine, 12622603.
Hooper RG. (2020). CPAP Therapeutic Options for Obstructive Sleep Apnea. Pragmatic and observational research, 32765155.
Hirshkowitz M, & Sharafkhaneh A. (2005). Positive airway pressure therapy of OSA. Seminars in respiratory and critical care medicine, 16052419.

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