I didn't sleep with it, so I wasn't lying down when I was breathing through the mask. Not sure if the Darth Vader type breathing occurs with lying down. I'll get a chance to use it tomorrow night when I travel. The mask connector has a proprietary connector (see picture). The hose seems a different...

i was on the trial for this machine! i cant and wont say anything about it. except it was brilliant!! well worth waiting for it to be released! and it was full packed with the usual features I have the Z!-Auto which I can't use due to a loud whirring sound when I transition from inhale to exhale. T...

I have a lot of faith in RESMED as an experienced CPAP supplier - I hope it is better than the Z1-AUTO. I paid a small fortune for the Z1-AUTO and can't use it. The WHINING noise during the transition from in to out keeps me up and my wife won't let me use it. If this unit solves that problem I'll g...

The qtube does make a difference in reducing the air rushing sound but has minimal affect on the whining nose. Hdm is selling the unit for about $35 plus you have to replace parts every 14 days at a cost of $12 per month. Add that to the cost of the HME humidifier module and the total cost of operat...