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How important are sleep, exercise, and healthy diet in UPSC preparation?

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  • These are the biological foundations of cognitive performance.
  • Sleep (7–8 hours) is non-negotiable for memory consolidation; without it, you forget what you study.
  • Exercise (30–45 mins) boosts blood flow to the brain and manages cortisol (stress) levels.
  • A healthy diet prevents "brain fog" and energy crashes.
  • Treat these as study tools, not luxuries—a healthy body ensures your brain remains sharp and resilient for the long preparation marathon.