President Joe Biden has started using a machine to treat his sleep apnea. What is it and what causes it? Here's what to know about the sleep disorder.

President Joe Biden has begun using a CPAP machine to deal with sleep apnea, the White House confirmed Wednesday.

Learn about the different types of CPAP machines available online and how to choose the best one.

The White House confirmed Wednesday that President Joe Biden has recently started using a CPAP machine to address his sleep apnea.