CPAP vs BiPAP – What’s the difference?

Two of the most common treatments for sleep apnea are CPAP and BiPAP. You might see these terms used interchangeably, but the way they function is quite different. They are generally the same — they pressurize and deliver air directly into your breathing passages. But the difference is in the WAY they pressurize the air.

A CPAP machine uses continuous air pressure all night long, while a BiPAP means you get one pressure level when inhaling, and a different pressure level when exhaling.

Join Logan as she explains more of the differences between the two machines, and why you might prefer one over the other for your sleep apnea therapy.

If you’d like to learn more about how a CPAP machine works, check out our video:
To get tailored sleep advice, take our Sleep Quiz at

For great discounts on some of our favorite CPAP and BiPAP machines, check out these links!
ResMed AirSense 11:
Luna G3 BiPAP:
ResMed AirSense 10:

0:00 CPAP vs BiPAP
0:25 What is CPAP?
1:32 What is BiPAP?
2:31 Is CPAP or BiPAP better?

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About the Author: Joy Packard