Sitting down on the bed is enough to let her know that if she lies down, she'll be asleep in minutes, so she doesn't let herself, not yet.

Instead, she waits and listens to Bucky and Ross and their soft words, then waits longer until she hears first one, then a second door close. Slipping her borrowed sandals off her feet, she pushes up off the bed and pads through the adjoining bathroom, then taps quietly with one finger on the door to the next room.