I cannot answer your question but, would you mind describing the defect in more detail? My brand new Aircurve ASV has been flawless so far, but as you stated, Sleepyhead will not separate the pressures.

My question concerns my inhalation and exhalation times from Sleepyhead. They appear to be reversed from normal. Calculation error in SH. I-Time should be measured from I start to I end . SH adds in time from preceding E end . http://i186.photobucket.com/albums/x256/sleepydave/ieratio_zpsb74459c3.j...

Ok, I zapped the link to download the data..

And thank you again to all who responded.

palerider,

Appreciate the time you have taken to look at my data. Time is truly one of our most precious resources.
Thank you again.

Here is a daily. I am concerned about the inspiration/expiration ratio..



Here is another day:

Had a myocardial infarction and stent placed 5 years ago at the age of 53. 157 lbs BMI 24. Retired air traffic specialist. 30 years of rotating shift work. Cardiologist referred me to a sleep specialist when I asked for zolpidem. Sleep study showed mild apnea - AHI 8.0. Took the zolpidem nightly and...

I re-read this thread this morning and have to add to the story. Diagnosed with mild OSA in September of this year. Had asked my cardiologist for sleep meds on a follow up after a full blown heart attack in March of this year. (I was 53, have always exercised religously and BMI below 26..) Got the r...