Public roles can follow someone home through sound, messages and the constant sense of being available
Sharing one building makes the boundary between service and recovery especially fragile.
Separate access, acoustic buffers, visual distance and a distinct residential arrival can reduce reminders of the workplace
Vertical separation alone is not enough when every route still points back to work.
The design consequence lies in legible arrival, privacy gradients, vertical separation, acoustics, waiting and thresholds that reduce unnecessary exposure.
Private life needs more than another floor; it needs a threshold that allows the public role to become quiet.