Hector DeJean, played by Rhys Ifans, is a stereotypical hard-ass-jerk character in “Berlin Station”, here he’s being interviewed/ interrogated for an investigation into an “op” that went “bad”.
This is his response to being asked :
Tell me more about the “delusions”…
“Its fucking textbook:
you see something traumatic,
it leads to nightmares.
Nightmares lead to insomnia,
you see all kinds of weird shit.”