A device that helps reduce sleep disturbances by reducing sleep apnea, helping to increase sleep hours without insomnia. A simple device to use, approximately 5 months old, only the mask and tubing need to be changed. A Philips manufactured device, a global company specializing in medical devices. How the device works Automatic pressure adjustment and Opti-Start technology DreamStation Auto monitors the user throughout the night to provide pressure as needed when events occur. The device stays at the lower pressure of the auto-adjust range, and if an event is detected, it increases the pressure to the upper range to support the airway. With Opti-Start enabled, the device starts therapy at 90% of the pressure reached in the previous session.