Sleep apnea patients' breathing devices are data goldmines for insurers, machine makers and suppliers Millions of sleep apnea patients rely on CPAP breathing machines to get a good night’s rest.

What to look for in your next CPAP machine If your Phillips CPAP machine was recalled, you'll need a replacement.

CPAP machines can improve sleep and mood and lower blood pressure and other heart disease risks. Despite its effectiveness, more than one-third of people who try CPAP don’t stick with it.

BiPAP can help people with chronic obstructive pulmonary disease (COPD) breathe better. It's a form of noninvasive ventilation. Here's how it works.