Quick Summary Night work elevates type 2 diabetes (T2DM) risk through circadian misalignment, sleep loss, melatonin suppression, and mistimed eating. Biggest levers:  light timing, sleep anchors, meal timing, movement snacks, and workplace design. Use the 6-Week Shift-Safe Protocol  below to test what moves your numbers. 1) The Core Problem: Why Nights Hurt Glucose Your body runs on clocks. A master clock in the brain syncs with light, while peripheral clocks in the liver, pa