Deep Work: Rules for Focused Success in a Distracted World · chapter 4 · id deep-work-c4-02-you-have-a-finite-amount-of-wi

“You have a finite amount of willpower that becomes depleted as you use it, based on Baumeister's ego depletion research. Therefore, deep work requires routines and rituals to minimize willpower expenditure.”

contestedconfidence: high⚠ extracted by pipeline, re-audit pending

Receipts

Hagger et al. (2016). A Multilab Preregistered Replication of the Ego-Depletion Effect. Perspectives on Psychological Science, 11(4), 546-573.paywalled — manual check queued

A preregistered multi-lab replication (23 labs, N=2,141) found no significant ego depletion effect (d = 0.04, 95% CI [-0.07, 0.15]).

Baumeister, R.F. et al. (1998). Ego depletion: Is the active self a limited resource? Journal of Personality and Social Psychology, 74(5), 1252-1265.source alive

Original study showing self-control as a limited resource that can be depleted by use.

This claim is a stable, citable object. If you can falsify a verdict, tell us — corrections are loud here.