Sleep apnea diagnostic and therapeutic devices are specially designed devices that help eliminate snoring and prevent sleep apnea (a sleeping disorder in which breathing repeatedly stops and starts). Continuous positive airway pressure (CPAP) machines, mouth appliances, polysomnography devices, home sleep testing devices, and oximeters, among others, are some devices used for sleep apnea diagnostic and therapeutic by various end-users such as hospitals, labs, and home care settings.