Every night, millions of people stop breathing without knowing it. Not once, but sometimes hundreds of times. Their remedy? A mask, a hum and the steady whisper of pressurized air. It's not glamorous, ...

Continuous positive airway pressure (CPAP) therapy is a common treatment for obstructive sleep apnea. A CPAP machine uses a hose and mask or nosepiece to deliver constant and steady air pressure.

Michelle Spear does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...