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Whether you’re concerned about your sleep apnea risk, navigating CPAP therapy, or simply looking for more information, you’re in the right place.

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Sleep Apnea by the Numbers

Untreated sleep apnea is associated with serious health problems, including high blood pressure, heart disease, stroke, and type 2 diabetes.

936 million

Adults worldwide estimated to have obstructive sleep apnea

85%

Percentage of adults with obstructive sleep apnea who may be undiagnosed

$3.4 billion

Estimated annual U.S. cost of untreated sleep apnea

Find the Right CPAP Machine for You

Our experts have evaluated the most popular CPAP machines to help you find the best option for your needs.

BEST OVERALL

ResMed AirSense 11

Feature-rich, auto-adjusting CPAP with detailed therapy tracking

BEST VALUE

Luna G3

Full-featured auto CPAP with integrated humidification at a more accessible price

BEST FOR TRAVEL

ResMed AirMini

FAA-approved, compact, lightweight travel CPAP that uses waterless humidification

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Frequently Asked Questions

What is sleep apnea?

Sleep apnea is a sleep disorder that causes breathing to repeatedly pause or become shallow during sleep. Obstructive sleep apnea (OSA), the most common type, occurs when the upper airway becomes blocked, reducing or stopping airflow.

Does snoring always mean sleep apnea?

Snoring isn't always sleep apnea, but loud, frequent snoring is one of the most common symptoms of obstructive sleep apnea. Other signs, such as gasping or choking during sleep, daytime sleepiness, morning headaches, or witnessed breathing pauses, make sleep apnea more likely. If you have persistent snoring along with any of these symptoms, a sleep study can help determine whether OSA is the cause.

What's the difference between obstructive and central sleep apnea?

Both cause pauses in breathing during sleep. In obstructive sleep apnea, the pauses happen because the airway becomes blocked. In central sleep apnea, the brain temporarily fails to send the signals needed to control breathing. Central sleep apnea is much less common than obstructive sleep apnea in adults.

Can I diagnose sleep apnea at home?

In many cases, yes. A doctor can prescribe an at-home sleep apnea test, which is best suited for people suspected of having moderate to severe obstructive sleep apnea that isn't complicated by other disorders. A doctor reviews the results and makes the diagnosis. In-lab testing is still the gold standard.

Does insurance cover sleep studies?

Most health insurance plans, including Medicare, cover sleep studies when a doctor orders them and they are medically necessary. You may still owe copays, coinsurance, or a deductible, and coverage varies by plan, so check with your insurance provider before scheduling the test.

Do I need CPAP forever?

For most people, obstructive sleep apnea is a chronic condition that requires long-term management, so CPAP is often an ongoing treatment. Some people can change treatment after substantial weight loss, surgery, or a switch to an oral appliance. Talk with your doctor before stopping CPAP, as a follow-up sleep study may be needed.