Sleep apnea is a common but serious sleep disorder where breathing repeatedly stops and starts during sleep. If left untreated, it can lead to significant health problems, including heart disease, stroke, and daytime fatigue. Two of the most widely used treatments for sleep apnea involve machines called CPAP and BiPAP. Understanding the difference between these two technologies is critical for patients, caregivers, and healthcare providers. This blog explains what CPAP and B