You are making the right moves. I just moved out this weekend and even just a couple of days away from the craziness has been bliss.
As for the lethargy, make a list of all the things that need to be done and the do them one at a time. As you start to cross things off the list you'll begin to feel back in control.
Going for a walk is a good way to get energy back. One other thing, lots of places have free wi-fi now. So even if your not connected you can still get stuff done.
Stay the course you'll be glad you did.