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diagnose mouth breathing caused high leak rate
diagnose mouth breathing caused high leak rate
Years ago, I had to stay several days in a hospital that promised they had CPAP's to loan during my stay. I believed them, BIG MISTAKE. I was presented with a 40 year old CPAP and a full face mask. I couldn't use the full face mask, though I tried desperately to do so-the pressure kept forcing me to mouth breathe, which woke me up nearly immediately.

I needed to do something to get some sleep, so the next day I developed a 'fix' to prevent mouth breathing while using the full face mask. And, IT WORKED!

My 'fix' was to fabricate an obstruction that rested between my teeth and the inside of my lips, thus stopping mouth breathing in its tracks. I used a piece of plastic, removed from a disposable tray that a hospital meal was served in. I made it much larger than it had to be in order to negate the chance that it might become dislodged during my sleep and choke me. The plastic sheet was thick and rigid enough so it wouldn't deform if I did indeed try to swallow it during my sleep.

While I am not sure if it was as safe as it could have been (with more proper/thorough design), it did get me through the next 2 nights in the hospital with satisfactory sleep. While I can't recommend it for everyday use, the information might be useful to others if they get stuck away from home in a similar situation.

I am reminded of this due to my present situation, which is trying to figure out whether my Large Leak is caused by the CPAP pressure forcing some amount of leakage past my lips as I sleep. So, I'm tempted to try it on myself tonight.

I am curious whether safer (commercial) mouth breathing blockers based on the same concept are available though.

Any ideas?
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RE: diagnose mouth breathing caused high leak rate
I recall that, not so long ago in raves, it was considered campy to be seen with a child's soother around one's neck.  This was the remedy for bruxism brought on by one of the side effects of Ecstasy.  I wonder if something like that might offer a close-to-complete solution in your case.
Serial Tapist
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