Intermittent fasting activates autophagy, your body's cellular cleanup system, through metabolic switching that begins 10-12 hours after eating stops. Multiple evidence-based protocols exist, but medical supervision is critical for certain populations including pregnant women, diabetics, adolescents, and those with eating disorders.
Your body clock controls far more than sleep—it orchestrates hormones, immunity, metabolism, and cognitive function. Modern life disrupts this ancient system through artificial light, irregular schedules, and poor meal timing, increasing risks of disease, but strategic light exposure, consistent sleep schedules, time-restricted eating, and circadian-aligned exercise can reset your internal clock for dramatically better health.
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