Here is a suspension primer....may help: http://www.hammockforums.net/forum/s...ad.php?t=52668
You must just be getting a gap. Was is upside-down perhaps? Shake and migrate the down. Coulda been those windproof nylon pants getting you clammy. Seemed to be sleeping in a lot of clothing for those temps and that much insulation.
It ain't always easy dailing in.