Hey D.H.

Yes its a GOOD feature which should be an option for people who suffer from SEVERE Apnea. I remember one time waking up in the middle of the night, inadvertently pulled the mask off, then a short time later could hardly catch my breath. (it was pretty scary).

Thanx a lot Den!

I'll give it a try!

Hi Gang I have an older Philips Respironics BI-PAP System One. I love the machine and the mask and also realize I suffer from severe apnea. Was curious if there was an option to set an alarm warning me that I've taken the Mask Off during the night? Because of illness sometimes I don't remember I've ...