Diet, sleep, and physical activity profoundly influence cognitive function and memory. A balanced diet, rich in omega-3s, antioxidants, and essential nutrients, fuels brain health, enhancing clarity and focus. Sleep, far from mere rest, plays a crucial role in memory consolidation, with deep sleep phases solidifying learned information. Physical activity, meanwhile, boosts blood flow to the brain, supporting neuroplasticity and mental sharpness. For optimal brain health during exam prep, students should prioritize nutrient-dense foods, ensure 7-9 hours of quality sleep nightly, and incorporate regular breaks with light exercises. Together, these lifestyle pillars create an environment conducive to peak cognitive performance.