Any way to determine REM sleep from Flow Rate?

[Roy289]

o1bob037

thanks for the link. I need to check my Sleepyhead results and see how the increase in rapid breathing rate helps identify REM. Further study of sleep architecture indicates typically REM begins 80-110min after stage 1 and coincides with a reduction in Tidal Volume.

[o1bob037]

It's very easy to see the REM periods. Your respiratory rate line will be pretty flat, then suddenly it swings way up and down.

[chill]

By that criteria I am in REM sleep 100% of the time I use CPAP!

[eseedhouse]

By that criteria I am in REM sleep 100% of the time I use CPAP!

And by that criterion I am hardly dreaming at all. Even when I wake up from a dream there is generally no sign of it in the flow rate graph lately.

You can really only measure the sleep cycle accurately with electrodes stuck on your head.

When I first started therapy my flow graph was jumping around like chill's but as time went on I had flatter flow rates and fewer jumpy periods. For the last month or so my flow rate has been pretty even most of the night, and as I said I have woken up from dreams that don't show later on the flow rate graph.

[o1bob037]

Do you mean that your respiratory rate is never flat but is largely fluctuating 100% of the time?

[chill]

Spot the REM:

[o1bob037]

I might be able to spot the REM on the first image, but not on the second.

I'll post an image if it lets me.

[o1bob037]

You can see it here:

[o1bob037]

It doesn't seem to be showing. I'll make it an attachment.

   

You can see the fluctuation that is characteristic of REM breathing in the respiratory rate.