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Increasing Stage 3 and REM sleep

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DonMidwest +0 points · 13 days ago Original Poster

Another good night. Slept almost 7 hours straight through. Should I stay the course for a while longer?

Some not so good news. Got up early and went with daughter in law for a robot competition her for my 12 year old granddaughter.

I had an aphasia, a speech TIA that lasted about 5 minutes. Before that I had a sense that something was not right and gave my daughter in law to be on the lookout. Fine now. Did not go to doctor. Had a head and neck scan a couple years ago and they found nothing.

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Sierra +0 points · 13 days ago Sleep Patron

Sorry to hear about the TIA. My mother had those issues from time to time. Despite them she made it to 96 without a real stroke. That said, I think it would be prudent to talk to your doctor about it.

The overall AHI is not as low as I would expect but I don't see an obvious way to make a change. I find I go in cycles with CA events. I can be in the low 0.5 or less range and then shoot up to 2.0 or more. I would stick with this pressure for a while.

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DonMidwest +0 points · 12 days ago Original Poster

Another very good night.

I washed off the cushion. It looks like we should stay on this course for a while longer to see if it stabilizes at these settings

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Sierra +0 points · 12 days ago Sleep Patron

Agree. Things look pretty good.

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DonMidwest +0 points · 11 days ago Original Poster

Another great night. I put in a screen shot with the device settings so you can see them. Are we at the point of going for a few days and check in only if something strange happens? Or, are there more fine tuning adjustments that you recommend.

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Sierra +0 points · 11 days ago Sleep Patron

I think at this point I would just leave things as they are to collect more data. The Statistics tab will display a summary of the results since the last change to the settings. When it has been two weeks since that last change we can have a look to see how it turns out. I think you may be at the "Yes" answer to the old question "Are we there yet?".

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DonMidwest +0 points · 11 days ago Original Poster

Started CPAP 13 years ago so it might have been 20 years of disturbed sleep. Early days of CPAP worked OK

Average of 7 hrs per day last week. Had not done that for years.

No naps in over a week.

As noted in the first post, I was beside myself because I could only see failure on the horizon. Sleeppy doctors did nothing.

Never consistently had AHI less than 5. Only occasionally.

Learned so much and need to learn more. Still not that good at understanding the graphs.

I will check back in a week if things go smoothly as we suspect,

If there is a breakdown I will contact you that day.

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Sierra +0 points · 11 days ago Sleep Patron

That sounds like a good plan!

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DonMidwest +0 points · 4 days ago Original Poster

Some updates. I think that we are the longest, or second longest session here on MyApnea. Always thank you.

You suggested changing to a ResMed F40 mask. I am in the process of doing that. Medicare has a 6 month cycle that allows an entire change. I am putting things off to fit that cycle and change to F40 mask system. I was able to get the head gear but they sent 3 F30i cushions by mistake. They will send a mailing label, I will return the 3 cushions, and then they can send 3 F40 cushions.

I probably mentioned that I sent a message through My Chart to my "sleepy doctor" asking if F40 would be available on May 19 for my titration study. I did get a call back from the sub organization, related organization, or whatever's its connection is to the practice of the "sleepy doctor" and they will ensure that there will be a F40 mask for my titration. They mentioned that Ohio Health, the large system has not yet put F40 into their inventory. This probably explains why my "sleepy doctor" has not responded. I will let it rest.

I did look up Functional Medicine sleep doctors and will probably change after finishing the titration. I don't want to upset the various systems: US, Ohio Health, Medicare, Insurance and who knows what else.

When I go for the sleep study I will take my statistics and my memory card will be in my AirSense 10. Now that I am well below 5 I am not sure what they can do for me. I began this session with concern for Stage 3 and REM stages because they are important for the treatment of Alzheimer's disease. I hope to get that information from the sleep study since it is not available from OSCAR. In particular, OSCAR doesn't work with sensors of eye movement.

Well, I spent more time on OSCAR learning or reinforcing terms. I am sure Sierra knows about the two links from Apnea Board:

https://www.apneaboard.com/wiki/index.php?title=Soft_Cervical_Collar

https://www.apneaboard.com/wiki/index.php?title=Optimizing_therapy#Positional_Apnea

Things were going so well last week that I started looking into the breaks where there is No flow, No Pressure and No Mask Pressure. These can be seen on the bottom graphic in the chart below as breaks in the Mask Pressure graphs. I think there are 4 of those before the longer bathroom break. Do you know what they mean? I zoomed in and couldn't see anything.


Last week. Sat April 20, 1.65, Sun 2.21 Mon 2.84 Tue 0.53 Wed 1.73 Thurs 1.66 Fri 1.53 Sat 3.41


Then there was last night. I spent 2 evenings at with my granddaughter whose mother was out of town. Friday night was OK - that is the new normal that I thought I was on. Then last night some strange things happened and the AHI jumped up to 3.41.

Some things that might have contributed: not in own bed, glass of wine about 9PM, later to bed than usual, snack food at the event after 9PM but didn't eat much. Can you make sense of what happened between 01:05 and about 01:40?

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Sierra +0 points · 4 days ago Sleep Patron

Hi again, I think the breaks are being caused by the mask slipping out of position long enough for the SmartStart feature to shut the machine down. Then when the mask is back in position it restarts the ramp which in most cases is very short as you are likely asleep or asleep in a minute or so. I don't see it causing any subsequent apnea events though.

About the only thing I see unusual about the Daily graph you provided is that between 1:00 and 1:30 you got some OA events in quick succession. That usually suggests body position or a kinked neck. Perhaps the collar was not as tight as usual or you were sleeping on your back for a while.

Unfortunately like me you are stuck with this complex (mixed) apnea situation. It tends to be erratic with most of the variation in the number of CA events. I seem to have transitioned from having event frequency less than 1 to more like 1.3. I hope the lower levels return, but it is only a hope, as I don't see anything that would help. My current chart below. The magenta bars are the CA events which are most erratic and basically responsible for the day to day variation. I think I get the lowest scores when I sleep between 6.5 to 7 hours, and the worst when I sleep over 8 hours. Sometimes nearer morning when I am not sleeping soundly I thing I get some false CA event indications when I am transitioning between being awake and being asleep. Some call that "Sleep-Wake" junk.

In any case I typically get most of my CA events in the second half of my sleep, possibly during REM sleep...

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DonMidwest +0 points · 4 days ago Original Poster

Thanks for the explanation of the blank interval as mask slipped.

I sleep most of the time on my back. Some nights I wake up on my back and assume been on my back all night.

I have attached my summary chart. Since I have started working with you my AHI has been less than 5. I noticed on your graph, the max is 5 while mine is 20!

Also it is clear when we switched to a constant pressure of 11 with the red bars

My big night was April 18 when I forgot the cervical collar! Really stands what a difference it has made. Note my total time in apnea was 1 hour! And that was the only night with a huge Large Link since we started. That graph is not attached.

Should I squeeze down the rows and move rows around so that they match the selection of rows you use for this summary page?

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Sierra +0 points · 4 days ago Sleep Patron

You may want to drag the Pressure chart down below the Large Leak chart so it shows, and the Pressure chart is hidden. It will become pretty boring with a fixed set pressure. I should move mine down too...

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