The "Dream Logic" isn't limited to the victims; it extends to Walter Bishop’s own psyche. As the team investigates, Walter struggles with the memory of Peter’s death (in the original timeline).
: Functioning as a "brain-drain," where the doctor unknowingly (or perhaps intentionally) harvests the "dream energy" or data from his patients. [S2E5] Dream Logic
The primary antagonist of the episode is Dr. Laxman Nayak, who utilizes a "Somnotrol" chip. This device is intended to: The "Dream Logic" isn't limited to the victims;
: Much like the victims who become addicted to the pleasant dreams provided by the Somnotrol, Walter must face the reality that some memories—even painful ones—cannot be suppressed or altered without devastating side effects. 4. Scientific Critique: REM Intrusion [S2E5] Dream Logic
: Helping patients achieve optimal REM sleep.