A CPAP machine is a device worn during sleep to help manage the symptoms of sleep apnea, a condition that causes you to stop breathing while asleep and prevents you from getting enough oxygen, per ...

A CPAP, or continuous positive airway pressure machine, is a common form of treatment for sleep apnea. CPAP machines keep the airways open so people can receive oxygen while they're sleeping.

CPAP is the most common treatment for sleep apnea because it’s highly efficacious—so in other words, if you wear it, almost always it’s going to eliminate obstructive sleep apnea.

Learn more about CPAP, what it can be used for, and why it's not helpful for people with mild to moderate symptoms of COVID-19.

Two new studies report that CPAP machines used for sleep apnea can make breathing easier at night and, in turn, can lower the risk of death from heart disease.