Build habits that stick, using research instead of rules of thumb

Most habit advice gets repeated because it sounds right, not because anyone tested it. Habit Upgrades goes back to the original studies, then explains what they found and what to do about it.

One research finding per email

What the studies actually say about habits: the 21-day rule, the 92% statistic, the 10,000-hour rule. About one email a week. Free. Unsubscribe anytime.

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What you'll learn

Mind

The shortcuts your mind uses to judge and decide, the predictable ways they mislead you, and what really drives focus and willpower.

Body

Sleep, exercise, and eating run more on habit than decisions, and the research on how those routines get built and stick.

Money

Why spending feels good and saving feels like a chore, plus the pricing tricks built to keep it that way.

Tools

Simple systems for building a habit, and what to do the day after you miss one, so one bad day doesn't end it.

Latest Articles

The 10,000-Hour Rule Failed Its Own Data

The 10,000-hour rule came from a study of 30 violinists, and the researcher behind it spent years saying it was misread. Here's what the data shows.