You wake up exhausted even after eight hours of sleep. Your mind races with worry one day and feels completely empty the next. You snap at the people you love, feel creatively blocked at work, or sense a persistent hollow feeling in your chest that you simply cannot name. In modern language, we might call this stress, burnout, or anxiety. In the ancient Indian science of energy — Tantra, Yoga, and Vedic philosophy — there is a more precise explanation: one or more of your sev