Bandwidth reduction is a 📝Lifestyle Design practice in which an individual deliberately removes recurring small decisions from their day by automating, defaulting, or eliminating them — freeing the attention those decisions would otherwise consume for higher-leverage thinking.
The most cited example is the personal-uniform move popularized by 📝Steve Jobs (black mock turtleneck, jeans, sneakers) and practiced by 📝Chris Sacca, 📝Mark Zuckerberg, and Barack Obama — same outfit category every day, no morning decision required. The principle generalizes well beyond clothing: standing breakfast, default workout, fixed weekly meal plan, automated calendar defaults, sealed inbox windows. Each one is small; the compounded effect is a meaningful reduction in 📝Decision Fatigue across a workday.
The discipline overlaps with 📝Subtractionism and the broader productivity literature on cognitive load, but its emphasis is specifically reductive: not better decisions, but fewer decisions, with the deleted decisions converted to defaults you no longer notice. Done well, the result is more attention for the few decisions that actually matter; done poorly, the defaults harden into rigidity and the system stops adapting.