The Power of Habit — Charles Duhigg

Summary in 15 minutes. How habits take root deep in the brain, and why, once formed, they run almost on autopilot. Don’t try to erase an old habit. Keep the cue and the reward, and change only the routine. Some habits don’t come alone. Change one, and others change with it. Not just people: companies, hospitals, even whole movements run on habits. You’ve read the book. Now rewrite the loop of one of your own habits.

Key ideas of "The Power of Habit"

How Habits Work

How habits take root deep in the brain, and why, once formed, they run almost on autopilot.

1. The Man Who Forgot Everything: Memory can go, but habits stay
2. The Habit Loop: Cue → routine → reward
3. Craving Drives It All: The pull that powers a habit

The Formula for Change

Don’t try to erase an old habit. Keep the cue and the reward, and change only the routine.

1. The Golden Rule: Same cue, same reward, new routine
2. The Power of Belief: Why some changes last and others crack
3. My Afternoon Cookie: Four steps to changing any habit

Keystone Habits

Some habits don’t come alone. Change one, and others change with it.

1. Safety at Alcoa: One habit that transformed a whole company
2. The Power of Small Wins: Small successes fuel big change
3. Willpower Is a Habit Too: Plan ahead for the hard moments

Habits of Organizations and Societies

Not just people: companies, hospitals, even whole movements run on habits.

1. Organizational Habits: A crisis is the best opportunity for change
2. Social Habits: How movements are born

Put It into Practice

You’ve read the book. Now rewrite the loop of one of your own habits.

1. The 7-Day Habit Change Plan: One task a day. Tick it off when done.
2. One-Page Cheat Sheet: The whole book at a glance. Save it.
3. Final Word: Taking Responsibility for Our Habits: You are bigger than your habits

From the free first chapter

He even walked around the block daily and found his way home, though he couldn’t say where he lived. Scientists realized that habits are stored separately from conscious memory, deep in the brain, in a structure called the basal ganglia.

It is one of the brain’s cleverest tricks: a habit costs almost no mental effort, freeing energy for other things. The same trick makes bad habits stubborn.

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