Take recovery breaks before willpower is exhausted

Build in genuine rest intervals during sustained self-control demands rather than pushing through.

Why it works

Even if glucose is not the mechanism Baumeister proposed, prolonged effortful tasks increase cortisol, decrease affective motivation, and reduce performance quality — effects that are reversible with rest. Brief breaks restore attentional resources (per Kahneman’s attention research and attention-restoration theory) independently of the depletion model. The practical value of breaks does not depend on the glucose hypothesis being correct.

How to do it

1. Set a timer for 50–60 minutes of sustained work and take a 10-minute break before feeling fatigued.
2. During the break, avoid cognitively demanding activities (do not check email); brief walks or eyes-closed rest are most restorative.
3. Eat a small snack if a meal is more than 3 hours away — not because glucose fuels willpower, but because hypoglycemia genuinely impairs cognition.
4. Use the break as a transition ritual, not just a pause — reset your intention for the next work block.

Evidence

Attention-restoration research supports brief restorative breaks for attention and performance. The glucose hypothesis specifically is contested, but hypoglycemia’s effect on cognition is established. (observational)

The original ego-depletion glucose studies have mixed replication; break effects on performance are better supported on attention grounds than on willpower grounds.

Sources

• Kaplan (1995), attention-restoration theory

Common mistake

Taking "breaks" on social media or email, which are cognitively and emotionally demanding rather than restorative, and returning to the task more depleted than before.