to improve your CNS recovery, that is your CNS isn't working optimally likely due to type A or B overtraining.... yada yada... There are a whole host of things you can do.
Steroids aside, the most aggressive and effective measures are active forms of restoration, but the primary thing i learned from Sports Restoration and Massage is that the application of these measures is terribly complicated.
On another note, being relaxed and in a tranquil state of mind, i.e. managing your emotions, will prevent unnecessary drain.