Probably, but it's all part of the learning experience, right? I'm planning on hanging in the backyard tonight in the piney woods (two pine trees, to be exact) of Minnesota. Overnight lows should be just above 0F. For bottom insulation I'm planning to use a blue ccf with windshield reflector, and fleece blanket and 20 degree mummy bag on top all in the WBBB. Any tips before I head out tonight?