Definitionv1
Physical energy: the cost of doing — maintaining posture,
Physical energy: the cost of doing — maintaining posture, managing fatigue, regulating sleep debt, and sustaining the metabolic processes that fuel both cognition and emotion
Why This Is a Definition
This definition precisely establishes 'physical energy' by naming the term, categorizing it as a cost of doing, and specifying its constituent components (maintaining posture, managing fatigue, regulating sleep debt, sustaining metabolic processes). It provides the semantic boundary distinguishing physical energy from cognitive and emotional dimensions.