Not being a fan of water bladders, nor of having to reach around to pull my water bottle out of my pack's side pocket, I came up with this idea instead. (Please note that you can buy something like this on Amazon for $25, except that folks complain it doesn't always fit the lids of their water...
I'm planning on the CF the same time as you(!), and have researched my brains out re: what to sleep in? I too can't handle being too hot or (especially) too cold, and finally yesterday came up with a plan. I'm going to use a "Friendly Swede" microfiber sleeping bag liner (to me much nicer/cozier...
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