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Re: Re: Re: sleep tech needs advice for patient

Posted by OzChrisR on July 18, 2002 at 20:15:58:

In Reply to: Re: Re: sleep tech needs advice for patient posted by Doug H. on July 18, 2002 at 19:56:03:

NO, the air is COLD and COLD air can't hold as much humidity before condensing, that is why we talk about places being HOT and HUMID.

For instance, a hygrometer tells me that my bedroom can be at 68% relative humidity overnight, but the thing is that the temperature drops to about 9 degrees celcius, and the key word is 'relative' in the humidity. I can only barely turn my humidifer dial on before I get condensation, even with insulated hoses, however in spring or summer I can turn the dial up quite high before the water condenses out.

I could heat the bedroom all night, but my wife doesn't like that at all, so we don't and the room cools off a lot.


The nose has to BOTH heat the surrounding air AND humidify it, and so a cold and dry room is the worst possible place, a warm and dry room is better, as your nose only has to humidify the air then, and a warm and moist room would be best.

I should have mentioned to the sleep tech about insulating th ehose, I bought some plumbing pipe insulation foam stuff, split it, then put it around my hose an dtaped it, it works really well. Also an auto CPAP mahcine may be an idea as it owuld not dliver the 13cmH2O all night, but only when really needed, and so a lesser overall presusre owuld be used which I have found eases the stress on my nose and means less crusty and bloody nose porblems.

Cheers

Chris

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