Preparation - A New Life
Upon reaching the hospital, take the elevator up. Inside of the waiting room, you can find a tv in the corner which you will want to turn on. Once it's turned on, have both characters sit on the couch and wait for about 30 seconds. Vincent will have a dream about the moon and the achievement will unlock.
This achievement can be seen in the video guide at 13:59:NOTE:
Achievements are only available to owners of the game. Players using the "Free Trial" friend pass will NOT unlock achievements.