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Variable events per hour
#1
Hi all,

I've been using CPAP for about 2 months now with a fairly high end machine that gives me a report each morning of the previous night.

I'm finding that there is a lot of variance in my events per hour on a night by night basis even though my mask fit reading is always green (positive).

For example, two nights ago I had 1.2 events per hour which is great. Last night I had 5.7 though which is above the target.

I'm wondering what could cause this.

Ideas?

Thanks in advance!
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#2
I'm interested too! Vary from 2 to 11, wondering what's up?
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#3
Hi a3sulliv!

Welcome

There are some of the many variables that can cause a change.
  1. Medication
  2. Sleeping environment -
    1. temperature
    2. light levels
    3. noise
    4. mattress
    5. pillow(s)
  3. Time after last meal or snack
  4. General aches and pains
  5. How deep you sleep
  6. Stress or lack of
  7. Physical activity during the day
  8. Hygiene

As you can see just about anything and everything as an effect. The AHI numbers are a general guide as to the efficiency of your treatment but the real gauge point is "How you feel".

I can have a low number one night because I was in pain and never got into a deep sleep. Likewise, I can have a real deep relaxed sleep and have a higher AHI.

I hope this will provide an insight.

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#4
I'm curious what this "high-end" machine is that is being used with the now discontinued nasal prongs. If the machine is capable of recording data, then we could perhaps interpret what is happening. Without software, you are kind of flying blind in trying to troubleshoot this.
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#5
a3sulliv,
Please fill out your profile. Listing your machine name and whether it is an auto machine would be
very helpful to anyone that responds to your questions.

You may want to consider downloading SleepyHead software, and that will show your your AHI, and the breakdown of that number, plus much more.
OpalRose
Apnea Board Moderator
www.ApneaBoard.com

Organize your SleepyHead Charts
Using Attachments to Post ScreenShots and Images.
Machine choices

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#6
(12-20-2016, 10:20 AM)Sleeprider Wrote: I'm curious what this "high-end" machine is that is being used with the now discontinued nasal prongs. If the machine is capable of recording data, then we could perhaps interpret what is happening. Without software, you are kind of flying blind in trying to troubleshoot this.

Can you not wear any mask with any machine? Not sure I see the connection between the machine and the type of mask being used.

At any rate, nasal prongs may not be the correct term for what I have. I made a best guess based on the description.

I don't have the machine details with me at the moment but intended to fill out when I got home tonight.
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#7
(12-20-2016, 09:30 AM)Crimson Nape Wrote: Hi a3sulliv!

Welcome

There are some of the many variables that can cause a change.
  1. Medication
  2. Sleeping environment -
    1. temperature
    2. light levels
    3. noise
    4. mattress
    5. pillow(s)
  3. Time after last meal or snack
  4. General aches and pains
  5. How deep you sleep
  6. Stress or lack of
  7. Physical activity during the day
  8. Hygiene

As you can see just about anything and everything as an effect. The AHI numbers are a general guide as to the efficiency of your treatment but the real gauge point is "How you feel".

I can have a low number one night because I was in pain and never got into a deep sleep. Likewise, I can have a real deep relaxed sleep and have a higher AHI.

I hope this will provide an insight.

Thanks! This is a really helpful start. I can begin tracking the previous night's conditions when I have a "poor" sleep.
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#8
(12-20-2016, 12:22 PM)a3sulliv Wrote:
(12-20-2016, 10:20 AM)Sleeprider Wrote: I'm curious what this "high-end" machine is that is being used with the now discontinued nasal prongs. If the machine is capable of recording data, then we could perhaps interpret what is happening. Without software, you are kind of flying blind in trying to troubleshoot this.

Can you not wear any mask with any machine? Not sure I see the connection between the machine and the type of mask being used.

At any rate, nasal prongs may not be the correct term for what I have. I made a best guess based on the description.

I don't have the machine details with me at the moment but intended to fill out when I got home tonight.

There are a few people that still use prongs, which actually insert into the nostrils. Most use pillows, which have openings to the nostrls, but rest on the bottom of the nose. It will help a lot to know what you are using as it affects what options you have, and what data may be available. If it turns out to be a Resmed or Philips Respironics, then you can download the SleepyHead software, and get a very accurate picture of what is going on.
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#9
Hi a3sulliv,
WELCOME! to the forum.!
Good luck to you with your CPAP therapy.
trish6hundred
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