So many positive things yesterday including the 4-Hour very late start 1700 calorie climb up to the base of Whitney. Arriving it 10 soaking wet. The normal process is too quickly strip off the wet clothes and get it to dry ones and then continue. But it was so late, we were so exhausted, that, well, we have to 20° sleeping bags, we'll just jump into both of those and be fine. Sleep did not come for 2 or 3 hours and borderline hypothermia for the first 2 hours. Turns out we were putting out so much moisture, so much sweat from the clothes in the body that even two sleeping bags like that lose their insulation properties. Close call.