Have you ever woke up in the middle of the night and felt uneasy? In the quiet of night, when everyone is asleep, and the world is dark, what could be going on in those shadows that surround you as you lay in bed? What could have caused that noise downstairs? Did you leave the door open? Do you dare get up?
Rarity wakes from a bad dream in the middle of the night, only to find herself feeling that the nightmare isn't over.