Sleepyhead Data Help

Would someone be interested in looking over my Sleephead data and helping me understand it?
Thanks!

What data are you wanting help to understand? It would be helpful if you would fill out your machine data so we know what machine you are using.

One thing I am interested in learning more about is the Clear Airway Apneas I am seeing. Does the S9 report this accurately? I had 14 of these on night (10 - 14 seconds in length). I understand that certain apneas have a number considered to be acceptable. Does this fit in the normal range? I am new to CPAP and have been using it for about one month. I have a follow-up appointment with the doc in a few weeks.

NYcpap wrote:Would someone be interested in looking over my Sleephead data and helping me understand it?
Thanks!

Yes, you can get help with that here.

NYcpap wrote:One thing I am interested in learning more about is the Clear Airway Apneas I am seeing. Does the S9 report this accurately?

It's not perfect, but it does well enough.

I had 14 of these on night (10 - 14 seconds in length). I understand that certain apneas have a number considered to be acceptable. Does this fit in the normal range? I am new to CPAP and have been using it for about one month. I have a follow-up appointment with the doc in a few weeks.

It's extremely common for people to hold their breath while thinking, rolling over, etc. Hence, the first thing to do when considering centrals is to try to eliminate the ones that were scored while you were awake. In the sleep lab, they'd use EEG data to do this. You don't have that, but you can make some reasonable guesses based on when the CAs occur. Lately, I've been using the respiratory rate data to try to identify waking and REM states.

NYcpap wrote: I had 14 of these on night (10 - 14 seconds in length). I understand that certain apneas have a number considered to be acceptable. Does this fit in the normal range?

Depends on over how many hours during the night. That is why an hourly index is often used instead of total over the night.

What are the "Units" for the charts in Sleepyhead? Some are obvious, others not. Leaks, flow limitation, snore?

I did not see your data. What is your AHI?
By all means discuss your concerns with your doc during your appointment in a few weeks. I would not worry about them until then. You have already gotten some goood advice about the clean way incidents.

AHI is never above 3. I feel better than I've felt in a while! So glad I got started with cpap. I'm looking forward to the follow-up with the sleep doc. Nothing but good things to say about the sleep center and their staff. (Sleep Insights)

Leaks....Liters/min L/min SleepyHead reports total leak (for PR S1 machines) which is the mask vent/intentional leak plus any excess leak. To get an idea what the excess leak might be you need to subtract the mask intentional/vent rate for your mask at your pressure as each mask is different and rates vary by pressure..more pressure..more vent rate. There is usually a graph showing these rates in your mask pamphlet.

ResMed machines report only unintentional leak or excess leak so SleepyHead leak rate will reflect those numbers.

NYcpap wrote:What are the "Units" for the charts in Sleepyhead? Some are obvious, others not. Leaks, flow limitation, snore?

The overall numbers in the colored boxes are the hourly indexes for the events. Flow limitation and snores are just number of events.. in an hourly index. If you go to the events tab and click on each event category you get total events and time frame involved.

There no real generally accepted number for those categories like there is for the AHI events. Generally lower is better.

Pugsy wrote:Leaks....Liters/min L/min SleepyHead reports total leak which is the mask vent/unintentional leak plus any excess leak.

Sleepyhead shows the leak data the machine records. Sleepyhead shows unintentional leak on my S9 VPAP Auto and I expect the other S9 ResMed machines also record unintentional leak.

fiberfan wrote: Sleepyhead shows the leak data the machine records. Sleepyhead shows unintentional leak on my S9 VPAP Auto and I expect the other S9 ResMed machines also record unintentional leak.

Yes, I forgot. SleepyHead was originally designed for PR S1 machines which do show total leak. Just recently began showing ResMed data which is of course unintentional leak. OP in this thread has PR S1 machine so my comment was in relation to his machine and his report.

NYcpap wrote:What are the "Units" for the charts in Sleepyhead? Some are obvious, others not. Leaks, flow limitation, snore?

Flow limitation and snore don't really have a scale..

On ResMed, Snore is just a "volume", and flow limitation indicates how flattened the shape of flow limitation events area..
On PRS1, Snore is the same thing, but even less is defined (which is why Encore never bothered showing it)
Leaks is Litres per minute, on both ResMed & PRS1

For the ones that do have an accurate unit description, I could either put a smaller subtitle or a tooltip over the title area showing this info..
In the meantime, I'll see if I can dig up a proper list detailing this, and post here.

how is the "snore" value in the summary table determined?

two other data questions... seeing as I just moved to a machine that now counts these... PB/CSR and RERA's... what are they?

I'm actually more interested I think in the PB/CSR's... as they seem to happen right before I wake in the middle of the night... these 4/4:30am wake ups are irritating.

cflame1 wrote:two other data questions... seeing as I just moved to a machine that now counts these... PB/CSR and RERA's... what are they?

I'm actually more interested I think in the PB/CSR's... as they seem to happen right before I wake in the middle of the night... these 4/4:30am wake ups are irritating.

CSR - http://www.resmed.com/us/clinicians/abo ... clinicians

PB - periodic breathing

RERA - respiratory effect related arousal


I have the clinical guide for the APAP and there are a couple lines on PB and RERA but I don't have a scanner that works on this computer. I would imagine someone has already posted this info somewhere here.