Automatic continuous positive airway pressure ventilator or continuous positive air pressure ventilator is widely used to treat sleep apnea, which is a medical condition that causes temporary apnea at night. The CPAP machine is an electronic device that uses an internal fan to suck in the external air, humidify the air and pressurize it, and then deliver it to the user through a connecting hose and a breathing mask. CPAP pressurizes the air to a constant level according to the user's prescription to ensure that you get the best pressure level for successful sleep therapy