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CO2 buildup blocked vent

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cpappy +0 points · about 1 month ago Original Poster

I just got a CPAP machine and wasn't sure exactly why CO2 didnt build up until I reseached it and discovered masks have vents. Now I remember a discussion I had a long time ago with one CPAP user who had problems with his mask marking his nose because he could sleep with his mask while his face was in his pillow. Now I realize this must have blocked his mask vent. What prevents someone inadvertently sleeping with a blocked mask vent?

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Sierra +0 points · about 1 month ago Sleep Innovater

I don't think that many try to sleep with their CPAP mask in their pillow.

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Biguglygremlin +0 points · 8 days ago Sleep Commentator

This is one of the few areas where I think that CPAP has a real advantage.

People without CPAP often sleep with their breath restricted by a pillow or blankets.

If it becomes too restricted their sensors compel them to clear the way to more air.

The materials we sleep with are deliberately designed to be porous and 'breathable' so the problem is not so much with exhaling but with how much oxygen gets mixed in the recirculating air that we are inhaling.

CPAP solves this issue by pumping fresh air from the machine intake directly into our inhale zone so if the gear were slightly improved it would even be possible to sleep underwater.

It's just a theory so don't try this at home folks!

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