Winter camping in Alaska, the arrangement is a canvas wall tent and a coleman stove. When its lights out, you make sure you have a good sleeping bag. Someone gets to light the thing in the morning and start some water heating. Usually we sleep in Carharts so getting up aint that bad. Wear something onyour head, sleeping and make a sort of tunnel for your breath. Nylon tent is pretty useless in subzero weather.
Never did put the tent up as it was designed to be,, actually a tarp is as good. Draped over some electrical conduit bent and tied to form a domw, edges held down with snow, , and the floor dug down a couple of feet maybe into the snow, I've been out in 60mph winds that didnt bother the tent at all.
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