It is 6:40 p.m., and the owner of a 20-person HVAC company is still at her desk. She is a composite of several small business owners I have met in my clinical work. Since 7 a.m., she has approved a refund, rescheduled two crews, chosen a supplier, and talked a customer out of canceling. Now her operations manager asks whether to take on a large commercial job next month. She says no without really thinking about it. Two weeks later she realizes it was the most profitable job she turned down all year.
That is decision fatigue, and small business owners are unusually exposed to it. You approve almost everything, so hundreds of small calls land on you before the big ones do. It also rarely shows up in your numbers right away. CEREVITY’s in-house findings on high achievers who peak while under strain found that 67% of 287 people who sought therapy reported their best professional output during the same period as their worst internal strain. A strong month is not proof that you are fine.
What Decision Fatigue Actually Does
One widely cited study shows the pattern clearly. In 2011, researchers Shai Danziger, Jonathan Levav, and Liora Avnaim-Pesso published an analysis of 1,112 rulings by parole boards in Israel in the Proceedings of the National Academy of Sciences. The share of favorable rulings started around 65% at the beginning of each session and fell to nearly zero by the end. After a food break, it jumped back to about 65%.
Researchers still debate how large that effect really is. The direction, though, matches what I see with owners. When you are depleted, you do not usually make wild decisions. You default. You say no, you postpone, you keep things the way they are. For a growing business, the safe-looking default is often the expensive one.
Strain makes it worse when you are also hiding it. CEREVITY is a private-pay concierge network of independent licensed clinicians built for high achievers: executives, founders, physicians, attorneys, and finance leaders. In a CEREVITY review of high achievers who sought therapy, 62% said their decisions got worse during periods when they were concealing strain. Owners conceal a lot. You stay upbeat for employees, steady for customers, and confident for the bank.
7 Ways to Cut The Load Before It Costs You
1. Put Your Hardest Decision in Your First Hour
Most owners spend the morning clearing email and save the big decision for “when things calm down.” Things do not calm down. Pick the one decision that matters most today and make it before you open your inbox.
2. Turn Repeat Decisions Into Rules
If you make the same call every week, it should not be a decision anymore. Write a one-line rule for refunds under a set amount, schedule swaps, standard discounts, and supplier reorders. Every rule you write is a decision you never have to make again.
3. Give Your Team a Decision Budget
Tell your best people exactly what they can decide without you, and up to what limit. A service manager who can approve a fix up to a set amount will save you a dozen interruptions a day. Some of those calls will be different from yours. Most will be fine, and the cost of a few imperfect calls is lower than the cost of you making every call.
4. Batch the Small Stuff
Constant interruptions drain you faster than the decisions themselves. Set two windows a day, say 11 a.m. and 4 p.m., for approvals and quick questions. Anything that is not urgent waits for the next window. Your team will adapt within a week.
5. Make a “Not Tonight” Rule
No irreversible decisions after a set hour. Hiring, firing, signing a lease, turning down a big job: write it down at night and decide it in the morning. You will be surprised how often the morning answer is different.
6. Learn Your Own Warning Signs
Decision fatigue has a signature. Notice when you reread the same email three times, snap at a question you would normally welcome, or answer “let me think about it” to everything. Notice when “no” becomes your automatic reply. When two or three of those show up together, stop making major calls for the day if you can.
7. Have One Person You Can Be Fully Honest With
Owners are often the loneliest people in their own companies. You cannot vent to employees, and you do not want to worry your family. Find one person with no stake in the business. That might be a peer owner in another industry, a mentor, an advisor, or a licensed therapist. Talk to them before you hit a wall, not after.
The Real Cost Is The Decision You Do Not See
Decision fatigue rarely produces a dramatic mistake you can point to. It produces the job you turned down, the hire you delayed, and the price increase you kept putting off. Those costs never show up as a line item, which is why they are so easy to ignore.
Start with one change this week. Move your hardest decision to the morning, or write your first three rules. Your business depends on your judgment, so protect it the way you protect your cash flow.
Martha Fernandez, LCSW, is a licensed clinical social worker, co-founder of CEREVITY, and author of Wired to Burn. She has eight years of clinical experience working with high achievers, including business owners. X: @cerevityhealth