Fatigue usually isn’t a calorie problem. Research by Spiegel shows sleep deprivation increases ghrelin and decreases leptin, intensifying cravings for high-carb foods. You’re not hungry — you’re tired and misinterpreting signals. Other causes: blood sugar instability, dehydration, chronic stress, underlying health issues. Food becomes a bandage for problems it can’t fix.
This companion covers the energy confusion, actual causes of fatigue, the sugar trap cycle, and what actually helps restore energy. (3 min read)