Track Your Body's Real-Time Energy ScoreYour body has a literal battery level you can see.

From the show

Optimizing Personal Energy

Wearable devices can now estimate your physiological energy reserves, offering a 'Body Battery' score. By analyzing heart rate variability, stress, and sleep, they quantify how both physical and mental strain drain you. This provides a clear, actionable metric for balancing daily activity with the genuine rest needed to recharge.