It is nice to have a mat to step out on. I carry a small pad that serves as the back pad of my pack, sit pad, go to ground pad (have'nt had to do that yet) and mat.
A top quilt works much better than a bag for regulating your temperature.
If you unzip your bag to your knees, leaving a foot box, it can be used like a quilt.
"We must, indeed, all hang together or, most assuredly, we shall all hang separately." - Ben Franklin