Respirionics Dreasmstation Auto-Titrating PAP machine. This is an auto-titrating or "smart" PAP machine that monitors every breath you take and adjusts the pressure automatically. The machine is quiet and small. The machine comes with a Bluetooth connection which allows the PAP user and his/her provider to monitor usage and efficacy with cloud based software. It comes with a heated humidifier and a cell phone modem so your medical provider can effortlessly track your progress.