Bones dont worry about time of day..it is not relevant....if your activity level was high then your body will use the carbs for muscle repair whether or not you are awake...in fact i recommend that you squeeze in that PPWO before bed. eat about 1hr after your PWO shake. Your fat intake should be all taken care of by the time you lift, so eating carbs PWO and PPWO is essential for muscle repair. I've done it before myself and i am losing fat getting strong and feeling fcuking great!!!