At any point while in your Fort, you can choose to end the day and recover from the perils of surviving the end of the world.

At the end of the day, the system assigns you points based on the skills you used and how well you did. These are tracked by Ben's end of the day diary entries so you can see how he and his people are improving.

During the End Day period, the folk assigned to the Doctor and Nurse roles attempt to recover the health of those who are wounded.