Pajamas seem fine for this, she figures the eventual call to action will happen at a time that isn't 'in the middle of the sleep cycle'. The only time she regrets going barefoot is when they pass through the narrow, dark space between the carriages, where the softly singing wind seem particularly loud at this hour and the chill seeps into her skin.

Once they're clear of the sleeper and into the gym, she slows down to let him take the lead if he wants.