this is a weird question.

How do you know if you actually sleep? I have been using my cpap machine for 21 days . I have at least 7-8 hours usage a night ( uncomfortable , adjusting ,etc ) , but I use it every night . I feel a slight bit better as far as less brain fog. I think I had apnea undiagnosed for at least 2 years . I just wonder if I actually get into a deep sleep. Thank you -

Welcome. You can change your username to something a little more apt by accessing the pull down menu to the left of the search icon. In any case, the sleep study you had involved wires hooked to a machine and a doctor looking at the result. I doubt that there is a good way to do this at home but I am not sure. I would say, empirical evidence is your best bet. Some folks use sleepyhead software to monitor their results and I use the RESMED feedback report sent in automatically each night. While it doesn't tell you about the state of sleep, it does tell you how many apnea events you had and that might be a good gauge on the quality of your sleep. These events disturb sleep patterns and you are only cat-napping (from personal experience) through most of the night without a lot of deep sleep. Do you monitor your therapy progress in this manner? Do you have a RESMED *pap machine?

Hi DiplomaticWhiteLemur4170. If you had an in-lab study, your physician should be able to tell you whether you had any deep sleep. If you did not, there is really no way to know what stages of sleep you are experiencing and how long you are staying in those stages without another sleep study that actually measures brainwave activity. Feeling better and less brain fog is a good sign though! Hopefully you will struggle less with issues related to comfort and mask adjustment as time goes on. If you continue to have these issues after another few weeks, it might be worth considering whether you need to try a different mask to see if something else might be more comfortable for you. Best wishes!