Philips DreamStation BiPAP Auto SV with Heated Humidifier DreamStation BiPAP autoSV is designed to deliver optimal ventilation with minimal intervention, ideal for patients with central sleep apnea, complex sleep apnea and periodic breathing. Its' clinically proven algorithm provides support when needed, and works with patient breathing patterns to minimize applied pressure, pressure support and machine breaths - so your patients can experience comfortable, restful sleep. The Philips Respironics servo-ventilation algorithm has been clinically proven* to: Reduce the frequency of obstructive & central events Reduce AHI Improve Quality of Life *Lee-Chiong, T., et al., Clinical update of BiPAP autoSV for treatment of Sleep Disordered Breathing, Philips white paper, Sept. 2015