The clinical assumption that treatment delivered during business hours is inherently superior to treatment delivered at night has never been tested in a controlled study. It persists as institutional common sense — reinforced by clinic operating schedules that make daytime treatment the default and nighttime treatment structurally unavailable.

Samsung Electronics maintains a defect rate below 0.001 percent on its semiconductor production lines. The equipment producing those chips receives calibration checks every four hours, preventive maintenance every 72 hours, and full overhaul every 2,000 operating hours. The human operators monitoring that equipment receive an annual health screen