LeadershipJuly 6, 2026

Why Your Best Decision of the Watch Might Be Your First One

Decision fatigue degrades judgment regardless of experience — here's what Harvard's research means for the bridge.

Research from decision science, echoed repeatedly in Harvard Business School's Working Knowledge coverage of executive judgment, points to an uncomfortable pattern: the quality of a decision degrades measurably as the number of decisions made that day increases — regardless of how experienced the decision-maker is. On a bridge or in an engine control room, where dozens of small judgment calls stack up across an eight-hour watch, this isn't an academic curiosity. It's an operational risk.

What Depletes Judgment

Every unresolved question — a borderline weather call, an ambiguous instruction from the office, a crew conflict left simmering — draws down the same finite reserve of mental energy, whether it's resolved or not.

Three Countermeasures for Watch Leaders

Pre-decide what you can. Standing orders and clear contingency plans remove entire categories of in-the-moment choice.

Sequence hard calls early. Save the judgment-heavy decisions — course changes, crew disputes — for the start of a watch, not the end.

Protect recovery, not just rest. A five-minute pause between resolving one problem and starting the next restores judgment faster than pushing through.

The Bottom Line

A tired captain isn't a worse captain. A depleted one is. The difference is manageable — if it's measured.