How High Performers Overcome Decision Fatigue

Learn how to avoid cognitive depletion and improve your decision-making.

Posted April 8, 2025 | Reviewed by Michelle Quirk

Every day, we make thousands of decisions—from the moment we wake up to the minute we go to sleep. Some choices are small (what to wear, what to eat), while others are major (business strategies, career changes, relationship decisions). For high achievers, the sheer volume of decisions can be exhausting.

The problem? Decision fatigue.

Decision fatigue is the mental exhaustion that builds up after making too many decisions, leading to suboptimal choices, procrastination , or avoidance. Studies suggest that the brain has a limited capacity for high-quality decision-making each day. Once that capacity is drained, even the most astute individuals can struggle to make sound choices.

But here’s the good news: You can structure your life to maximize your decision-making power.

By understanding decision fatigue and using research-backed strategies, you can preserve mental energy and make better choices that drive success.

The Science Behind Decision Fatigue

Decision fatigue can impact professionals across industries. A new 2025 study of health care professionals revealed that clinicians find ways to adapt to prolonged shifts. In a study of judges who made more than 1,100 parole decisions, researchers found that judges granted parole at different rates depending on the time of day and based on whether they took a break.

Why? Repeated decisions lead to cognitive depletion, which influences subsequent decision-making.

As mental energy dwindles, it reduces our tolerance for pain, so the subsequent tendency is to accept the status quo.

This study reveals a key insight: The more decisions we make without a break, the worse they may get.

Cognitive overload and depletion can lead to:

Strategies to Make Better Decisions and Maximize Mental Energy

Here are ways to streamline your process and preserve your focus and attention .

Reduce unnecessary decisions.

Conserve your decision-making energy by reducing or eliminating low-impact choices.

Prioritize big decisions in the morning.

Since mental energy is highest in the morning for most people, schedule high-stakes decisions early in the day.

Use decision frameworks to reduce overthinking and anxiety .

High performers often suffer from analysis paralysis and anxiety—overanalyzing every option and delaying action. Psychotherapy can be helpful to identify harmful underlying patterns of thinking and find ways to overcome them.

Limit your daily choices to a “decision budget.”

Think of your mental energy like a bank account. If you spend too much on trivial choices, you won’t have enough for big decisions. Another metaphor is the spoon theory, which helps people with chronic illness or fatigue figure out how to pace their energy expenditure.

Take strategic breaks to reset your mental energy.

Decision fatigue isn’t about time spent working—it’s about unbroken mental strain. Short breaks help restore cognitive function.

Establish “default” choices to reduce mental load.

Default systems simplify decision-making.

Conclusion: Make Better Decisions, Maximize Your Potential

By managing decision fatigue, you can preserve mental energy, reduce stress , and maximize your long-term performance.

The key is to simplify where possible, prioritize big decisions in the morning, take breaks from digital screen time , and use proven frameworks to avoid overthinking and procrastination. With these strategies, you can make fewer—but better—decisions each day.

Danziger S, Levav J, Avnaim-Pesso L. Extraneous factors in judicial decisions. Proc Natl Acad Sci U S A. 2011 Apr 26;108(17):6889–6892. doi: 10.1073/pnas.1018033108. Epub 2011 Apr 11. PMID: 21482790; PMCID: PMC3084045.

Maier M, Lawrie L, Powell D, Murchie P, Allan JL. Lengthy Shifts and Decision Fatigue in Out-of-Hours Primary Care: A Qualitative Study. J Eval Clin Pract. 2025 Mar;31(2):e70050. doi: 10.1111/jep.70050. PMID: 40078025; PMCID: PMC11904385.

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Marlynn Wei, M.D., J.D., is a board-certified Harvard and Yale-trained psychiatrist and therapist in New York City.

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This article is part of the Bringwise Psychology Journal — daily insights on human behavior, mental health, and personal growth.