[Paddlewise] Sleep Apnia

Hello all,

I am trying to help out a friend who can't camp out overnight due to 
sleep apnia. She has a device that basically blows air down her 
throat to ensure an uninterrupted sleep (as long as the bears stay 
away!). I don't know how much current the unit she has now needs but 
she does have to plug it in. It seems there must be a good way to 
either convert this to DC or find a unit that is more portable.  One 
obvious solution would be to use a marine battery for her existing 
device though that makes it slightly less portable. Solar would be 
great but you need to store the energy and again it needs to be 
portable. Any other ideas?

I am sure there are some resources out there as I believe this is a 
fairly common disorder. I've looked a bit but haven't found any yet.

Thanks in advance for any tips of links!

-Patrick
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