Habit Formation

May 2026

• May 16, 2026IdeasUnderstanding Habit Stacking for Lasting RoutinesHow to attach a new behavior to one that already runs automatically. The formula is after I do X, I will do Y, which replaces a general intention with a specific trigger. Lally's team at UCL followed 96 volunteers and found a 66-day average to reach automaticity, with a range of 18 to 254 days. The widely repeated 21-day claim traces to Maxwell Maltz's 1960 book on patients adjusting to facial surgery and has no experimental support.18 MIN5.2k

April 2026

• Apr 15, 2026IdeasWhy Your Morning Routine Fails (And What Actually Works)Routines collapse by design rather than by weak character. The common faults are building against your chronotype, installing too many new behaviors at once, depending on motivation, and stacking the whole thing on insufficient sleep. Roughly 25 percent of adults have late chronotypes. The minimum viable routine is three things: a consistent wake time within 30 minutes daily, water on waking, and light exposure in the first hour.16 MIN4.0k
• Apr 15, 2026IdeasThe Sunday Scaries: Why They Happen and Fixes That WorkA LinkedIn survey of more than 1,000 professionals in 2018 found 80 percent felt Sunday anxiety. The useful move is identifying which mechanism is yours: anticipatory worry, weekend circadian drift, the drop in autonomy, the rumination that fills a quiet afternoon, the Sunday inbox check, or a real mismatch between the work and your values. Each responds to a different fix, and some signals say the job itself is the problem.14 MIN4.9k

August 2022

• Aug 10, 2022ConceptsWhat Science Reveals About WillpowerWhat the willpower research actually supports after the replication crisis. Baumeister's 1998 ego depletion model was replicated dozens of times, but Hagger and colleagues ran a pre-registered multisite study in 2016 with 2,141 participants across 23 laboratories using the same protocol and found no significant effect. The current best estimate is a modest phenomenon whose magnitude was substantially inflated by publication bias in the early literature.15 MIN8.6k

July 2022

• Jul 21, 2022ConceptsWhat Is the Basal Ganglia: Your Brain's Habit MachineAnn Graybiel's rats learning a T-maze showed striatal activity starting out diffuse, then concentrating at the beginning and end of the sequence as the middle became automatic. Forming a new habit does not delete the old pathway, it only quiets it, which is why a strong cue can reactivate it years later. Lally's research found automaticity took 66 days on average, ranging from 18 to 254, with no universal shortcut.14 MIN4.5k