You can say that night Sam and others did not rest even for a second. They continuously begin to expel the dark energy from the minds of those people who are influenced by the dark energy.
Naturally, this is not an easy thing for them to explain the dark energy from the minds of those people. Alena also joins them sometime later when she gets to know about this.
The good thing is that only a little bit of dark energy influences those people. Because of this, even though expelling dark energy is not easy for anyone, as only a little bit of dark energy influences the people, the saints did not take that much time to expel that dark energy.
The next day,
Finally, around 10:00 a.m. all the Saints get the time to rest. Yesterday around 10:00 p.m. they started expelling the dark energy from the minds of those people and it had already been 12 hours.
