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How does my CPAP machine know if I am snoring?
#11
(05-28-2012, 07:40 AM)memnoch1974 Wrote: My wife asked the same question on how my S9 unit helps. Every wake up I ask my wife "Did I snore?" and she always replies "no" with a big smile on her face.

One CPAP machine = Two people sleeping better. :grin:


Welcome to Apnea Board, memnoch1974! Smile
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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.



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#12
Thanks!
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#13
(05-26-2012, 04:56 PM)Sleepster Wrote: It can also detect the difference between a clear-airway apnea and an obstructive apnea by monitoring the response to pressure pulses generated by the machine during apneas.

The pressure sensor is necessary to provide a constant pressure as the airflow changes. Almost all CPAP machines have a pressure sensor. Some machines only have a pressure sensor and don't detect apneas. (REMstar Plus or ResMed Escape, for instance.)

In order to detect apneas, an airflow sensor is required in addition to a pressure sensor.

I suspect snoring detection works off the airflow sensor as well.
Get the free SleepyHead software here.
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If it's midnight and a DME tells you it's dark outside, go and check it yourself.
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#14
These are a couple of airflow plottings from my sleep.

The first one shows normal snore-free breathing:

   

and the second one shows the vibrations caused by snoring which are picked up by the pressure sensor in capable XPAP machines:

   

Although to be fair, these were recorded by a pressure sensor on a sleep monitor but the principle is the same.

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#15
JJJ, thanks for asking this question. According to SleepyHead I snore a lot throughout the night with numbers around 40. I ask my hubby regularly if I snored and he says not that he heard. There are some times I wake up throughout the night because my mask gets loud. The exhalation port isn't blocked but when I move my head half an inch, the noise stops. Weird. I think the cpap machine records this sound as snoring.
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#16
(06-03-2012, 07:24 AM)iSnooze Wrote: The exhalation port isn't blocked but when I move my head half an inch, the noise stops. Weird.

This happens to me, too. Or at least it did until I switched to my current mask. I think the noise is caused by the air jetting out of the exhalation port and hitting something like a pillow or blanket. You can test this by moving the pillow or blanket and seeing if it makes the noise stop.

Quote:I think the cpap machine records this sound as snoring.

Mine doesn't! You could note the times that these things happen, event jot them down on a notepad, and then check in the morning to see f they coincide with a snore.

Sometimes snoring can be very soft, and barely audible by the partner. My wife says I've stopped snoring since I started CPAP.
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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#17
(06-02-2012, 04:03 AM)Hypnagog Wrote: These are a couple of airflow plottings from my sleep.

The first one shows normal snore-free breathing:



and the second one shows the vibrations caused by snoring which are picked up by the pressure sensor in capable XPAP machines:



Although to be fair, these were recorded by a pressure sensor on a sleep monitor but the principle is the same.

This is the great ans and anyone can easily understand. i saw your example. Thanks. but let me know that how do oral snoring device work?
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#18
(03-04-2014, 02:31 AM)HenryPatterson Wrote: Thanks. but let me know that how do oral snoring device work?

Think about the muscles relaxing in your throat. When they do that the passageway for the air to travel (the airway, it's called) gets narrower.

If the airway is narrow enough the air has trouble passing through and vibrations occur. That's snoring.

If the airway narrows enough to cause a significant reduction in air flow that's called a hypopnea, whereas a total blockage is an obstructive apnea.

Oral devices force the lower jaw forward, making the airway larger. Sometimes this works, sometimes it doesn't.

If you snore, and you don't have sleep apnea, an ENT can remove a small piece of tissue in a procedure called a somnoplasty. That may cure your snoring. It's an in-office procedure requiring only a local anesthetic.
Sleepster
Apnea Board Moderator
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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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