As many as 18 million Americans are currently suffering from sleep apnea. However, another 2 to 4%– one in 50 people– are undiagnosed, and untreated cases can leave a person four times more likely to have a stroke. It’s certainly an issue that more people need to learn about. But for those who have been diagnosed, it may be hard to choose a treatment option. Some doctors believe in the cpap machine, while others believe the bipap machine is more effective. So when comparing bipap vs cpap, which one comes out on top! Read on to make your decision.