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Re: Can't sleep w/o CPAP, PERIOD!!!

Posted by SGS on November 26, 2002 at 21:57:32:

In Reply to: Re: Can't sleep w/o CPAP, PERIOD!!! posted by - Sleepy Coote on November 26, 2002 at 18:16:52:

Other animals also have to hold open their airways during sleep and do it very succesfully. Even parrots who can mimic human speech rather well are not reported to have apnoea as far as I know. Bulldogs have a flat face (like us) and lots of tissue squashed in behind it (like us). Scientific opinion is that the human characteristics that leave us open to this condition include some of the adaptations required for speech (might be related to our propensity to choke on food and other things also?). our airway is relatively long, narrow and has a big bend in it at the end as well as a few bumps along the way. All these things bode ill for gases or liquids moving through tubes (I believe this relates to the Starling resistor model for any physics people out there). Oh yes and we have a free floating Hyoid bone which other species do not, leaving the front of our airway floating and prone to collapse.

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