UsuallyBlog
Short, practical articles about habits that last.
How long does it take to form a habit? Not 21 days
The 21-day rule comes from a 1960 self-help book. Studies that actually measured habits found 66 days on average, and a very wide range. Here is what the numbers mean for you.
Missing one day doesn't break a habit. Here's what the research says
A well-known study on habit formation found that a single missed day barely affects the habit. What that means for streaks, and how to plan your days off.