Restoration capacity

Sleep, rest, and recovery

1 brief · 5 sources read and checked

Does non-sleep deep rest actually work?The practice has a real effect on how rested you feel, and measurable changes show up in brain activity and in stress hormones. The effects reported in the best controlled trial are small, most other studies are small and uncontrolled, and the term NSDR itself has no research base of its own.

Strength of evidence

evidence-informed

5 sources checkedReviewed 17 August 2026

The other five capabilities

Cognitive clarityFocus, attention, and memory Emotional regulationStress and calm Psychological flexibilityLearning and adapting Intentional behaviorHabits and follow-through Social connectionRelationships and purpose

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