Pain in the ankle!

I have taken a long break because the front and outside of my ankles started getting sore.  I really feel it just before I am going to sleep, even if I didn't do any workouts that day.  I tend to sleep on my stomach with my feet more pointed, but I toss and turn for the first hour trying to find a position to help the pain in my ankle.  I am severely over pronated and flat footed so I wear motion control shoes.  Just sitting here with my feet planted flat at my desk I feel the pain!  Is there anything I can do or wear to help?