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Decision Fatigue and How to Beat It

Matthew Mangold

Matthew Mangold

Roofing Business Coach

May 24, 2023 7 min read
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Decision Fatigue and How to Beat It

A roofing CEO makes hundreds of decisions daily. By 3pm, decision quality degrades noticeably. Choices that would be obvious at 9am become paralyzing struggles. Patience evaporates. Shortcuts tempt.

This isn’t weakness. It’s decision fatigue. Your brain has finite decision-making capacity. Every choice depletes it. Understanding and managing this reality separates effective leaders from exhausted ones.

The Science of Decision Fatigue

Research shows decision-making depletes the same mental resources as self-control. Each decision, no matter how small, draws from a finite daily pool.

The evidence:

  • Judges grant more parole early in the day, less as the day progresses
  • Consumers make worse financial choices later in shopping sessions
  • People resist temptation less after making many decisions

In practical terms:

  • Your 8am self makes better decisions than your 4pm self
  • Trivial decisions deplete the same resources as important ones
  • Decision quality degrades before you notice the degradation

For roofing CEOs:

  • Morning estimate reviews are more accurate than afternoon ones
  • Hiring decisions late in the day carry more risk
  • Customer conflicts feel harder to solve as the day wears on

Understanding decision fatigue is the first step to managing it.

How Decisions Deplete You

Different types of decisions carry different costs.

High-cost decisions:

  • Novel situations without precedent
  • High-stakes outcomes
  • Conflict between values or priorities
  • Emotional weight
  • Uncertainty requiring judgment

Lower-cost decisions:

  • Routine choices with established patterns
  • Low-stakes outcomes
  • Clear right answers
  • Emotionally neutral
  • Information-rich certainty

A roofing CEO’s day often features:

  • “Should we take this job at lower margin?”
  • “How do I handle this underperforming employee?”
  • “What should we do about the supplier issue?”
  • “Which of these three priorities matters most today?”

Each of these is high-cost. By afternoon, the decision-making account runs low.

Symptoms of Decision Fatigue

Recognize when decision fatigue is affecting you.

Early warning signs:

  • Procrastinating on decisions
  • Defaulting to status quo
  • Feeling overwhelmed by choices
  • Seeking others’ opinions more than usual
  • Small decisions feeling big

Moderate fatigue:

  • Irritability and short temper
  • Making impulsive choices
  • Avoiding decisions entirely
  • Delegating inappropriately
  • Simplifying complex situations

Severe fatigue:

  • Poor judgment calls
  • Saying yes to things you’d normally decline
  • Emotional reactions to business issues
  • Missing obvious solutions
  • Regretting decisions shortly after making them

Track your patterns. Most people have predictable fatigue timing.

The 5 Strategies to Beat Decision Fatigue

Five strategies preserve decision-making capacity for when it matters most.

Strategy 1: Reduce Decision Volume

The most effective approach is making fewer decisions.

Automate routine decisions:

  • Standard material orders
  • Routine scheduling assignments
  • Recurring purchases
  • Administrative processes

Eliminate unnecessary decisions:

  • Do you need to decide, or is this someone else’s call?
  • Does this decision matter enough to make?
  • Can a policy handle this automatically?

Batch similar decisions:

  • Review all estimates in one morning session
  • Make all hiring decisions in one focused block
  • Handle all approvals at a set time

Every decision eliminated or delegated preserves capacity for important ones.

Strategy 2: Make Important Decisions Early

Schedule high-stakes decisions when your capacity is highest.

Morning priority:

  • Strategic planning
  • Personnel decisions
  • Major customer issues
  • Financial choices
  • Conflict resolution

Afternoon placement:

  • Routine approvals
  • Standard communications
  • Administrative tasks
  • Information gathering

Protect your morning for decisions that matter. Defend it against interruptions.

Strategy 3: Create Decision Rules

Pre-made decisions reduce in-the-moment drain.

Examples of decision rules:

  • “We don’t take jobs under $5,000 in [distant area]”
  • “Employees with 3+ no-call-no-shows are terminated”
  • “Discounts over 10% require owner approval”
  • “We always use [supplier] for [material] unless…”

Decision rules convert judgment calls into simple execution. They work especially well for:

  • Recurring situations
  • Boundary conditions
  • Values-based choices
  • Risk tolerance limits

Build rules gradually. Each new rule eliminates future decisions.

Strategy 4: Simplify Personal Decisions

Trivial personal decisions deplete the same resources as business decisions.

Common personal decision drains:

  • What to wear
  • What to eat for breakfast/lunch
  • Route to work
  • Exercise timing
  • Evening activities

Simplification approaches:

  • Standard work wardrobe (same style, multiple copies)
  • Repeating meal patterns
  • Fixed morning routine
  • Standing appointments

Steve Jobs wore the same outfit daily. Barack Obama limited his suits to two colors. They understood: deciding what to wear depletes capacity for consequential choices.

Strategy 5: Restore Capacity

Decision-making capacity replenishes through rest and fuel.

Restoration tactics:

  • Sleep (primary restoration)
  • Glucose (blood sugar supports decision-making)
  • Breaks (even 10 minutes helps)
  • Physical movement (walking restores mental energy)
  • Nature exposure (measurably improves cognitive function)

Practical application:

  • Never skip meals before important decisions
  • Take a walk before an afternoon meeting
  • Pause between decision-heavy sessions
  • Don’t schedule important calls when tired

Recovery isn’t weakness. It’s strategy.

The Decision Environment

Physical environment affects decision quality.

Supportive conditions:

  • Quiet space for concentration
  • Comfortable temperature
  • Good lighting
  • Minimal visual clutter
  • Controlled interruptions

Unsupportive conditions:

  • Constant noise and interruption
  • Uncomfortable physical conditions
  • Cluttered surroundings
  • Digital distractions
  • Time pressure

Create conditions for quality decisions. A 15-minute investment in environment can yield hours of better judgment.

Protecting Decision Energy Daily

Build a daily structure that protects decision capacity.

Morning routine:

  • Fixed wake time
  • Standardized morning activities
  • Minimal decisions before work
  • Arrival at peak capacity

Work structure:

  • Important decisions before 11am
  • Meeting-free blocks for concentration
  • Lunch break to restore
  • Lighter afternoon decisions
  • Clear end-of-day cutoff

Decision batching:

  • Email at specific times (not continuously)
  • Approvals in designated windows
  • Personnel issues in protected blocks

Recovery practices:

  • Brief breaks between intense decisions
  • Physical movement during day
  • Transition ritual between work and home

Structure preserves capacity. Chaos depletes it.

Delegation as Decision Strategy

Delegation reduces your decision load while developing others.

What to delegate:

  • Decisions within others’ expertise
  • Lower-stakes choices
  • Recurring decisions with clear parameters
  • Decisions as learning opportunities

What to retain:

  • Strategic direction
  • Values and culture
  • High-stakes irreversible choices
  • Team composition

Effective delegation includes:

  • Clear decision rights
  • Defined boundaries
  • Authority matching responsibility
  • Review process (not approval process)

Each successfully delegated decision type permanently reduces your load.

Decision Quality Metrics

How do you know if decision fatigue affects you?

Self-assessment questions:

  • How many decisions do you regret from the past week?
  • At what time of day do problems feel most solvable?
  • When do you most often say “I don’t care, whatever”?
  • How often do you make the same decision repeatedly?

Observable patterns:

  • Decision speed by time of day
  • Error rate by decision timing
  • Conflict frequency by time
  • Delegation patterns

Track patterns for two weeks. The data reveals your fatigue profile.

Building Organizational Decision Capacity

Beyond personal management, build organizational approaches.

Decision rights clarity:

  • Who decides what?
  • What requires approval vs. notification?
  • Where do decisions get made?

Decision support tools:

  • Criteria frameworks for common decisions
  • Data dashboards for informed choices
  • Checklists for recurring situations

Meeting discipline:

  • Clear decision objectives for meetings
  • Pre-work to inform decisions
  • Time limits to force closure

Decision culture:

  • Value good process, not just outcomes
  • Learn from poor decisions
  • Recognize decision-making burden

Organizations can amplify or deplete individual capacity.

Start Here

Beat decision fatigue by reducing load and protecting capacity.

Start Here:

  1. Audit your decisions tomorrow. Keep a tally and note timing. How many decisions? When is volume highest?
  2. Identify 5 recurring decisions. Can any become policies, rules, or delegated authorities?
  3. Reschedule one important recurring decision to your peak capacity time.

Decision fatigue is real and measurable. It affects every roofing CEO daily. The question is whether you manage it or let it manage you.

Build structure around your decisions. Protect your best hours for your biggest choices. Create rules that eliminate recurring decisions. Delegate everything that doesn’t require you.

Your judgment is your most valuable asset. Protect it accordingly.

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