After the incident, a large crowd gathered and stayed for many hours. George is reported to have "rocked himself back and forth on the couch inside." As he did this, many onlookers being curious glanced into the office door to see him in this state of being. George seemed to not have been talking. As people left, Michaelis stayed with George until dawn. I believe we can assume George stayed up all night. This started at midnight.
By 3 o'clock, he actually began to talk. The first thing that struck him was how he could actually go about finding that car. He started to put more of the pieces (he thought) together. He recalled his wife's face being bruised a couple of months prior. Michaelis tried to change his thinking to funeral arrangements, but George seemed to be forming some kind of revenge.