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The Water Cooler
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What Do You Think About This Mini-Sub deal?
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<blockquote data-quote="SoonerP226" data-source="post: 4058618" data-attributes="member: 26737"><p>As I understand it, your body knows when it can't get enough oxygen, and it goes into survival mode wherein it tries desperately to get oxygen to your brain. It's one of the reasons people with sleep apnea often wake up with bad headaches; the body recognizes that it's not getting enough oxygen, so it starts prioritizing getting blood (and whatever oxygen is in it) to the brain, which increases the pressure inside the skull, et voila, un headache royale.</p><p></p><p>Apparently, the exception to this is nitrogen--your body can't tell the difference between oxygen and nitrogen, so if you ramp up the nitrogen and ramp down the oxygen, you just go to sleep, none the wiser. There's probably not a lot of nitrogen in a DSV, though...</p></blockquote><p></p>
[QUOTE="SoonerP226, post: 4058618, member: 26737"] As I understand it, your body knows when it can't get enough oxygen, and it goes into survival mode wherein it tries desperately to get oxygen to your brain. It's one of the reasons people with sleep apnea often wake up with bad headaches; the body recognizes that it's not getting enough oxygen, so it starts prioritizing getting blood (and whatever oxygen is in it) to the brain, which increases the pressure inside the skull, et voila, un headache royale. Apparently, the exception to this is nitrogen--your body can't tell the difference between oxygen and nitrogen, so if you ramp up the nitrogen and ramp down the oxygen, you just go to sleep, none the wiser. There's probably not a lot of nitrogen in a DSV, though... [/QUOTE]
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