Decision Fatigue Is a Myth. Here’s What You Should Know

The concept of decision fatigue doesn't exist, unless you believe in it. When in doubt, sleep, eat or go for a walk.

Will power is finite.

You've probably heard this piece of productivity advice. It comes from a famous 2009 study by Roy Baumeister, a psychologist at Florida State University.

In an oft-cited 2011 experiment, he asked students to sit next to a plate of fresh-baked chocolate-chip cookies.

Baumeister permitted some students to eat the cookies, and he told others to avoid...