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In the 2026 Cocodona 250, Rachel Entrekin delivered a coronating performance, winning in 56 hours and 9 minutes. She had slept for only 19 minutes. Chasing her was Heather Jackson, but with 4 miles left, Jackson’s fatigue got the better of her. Hobbling into the final aid station, she stopped and slept for 3 hours before finishing. How did Entrekin’s mind enable her performance while Jackson’s urged her to stop? This question strikes at a controversial theory in sports scienc

Are you on Ritalin in order to focus during the day and increase performance? However, a new problem appears: sleep worsens. Learn about the hidden mechanisms that might deter your circadian health and think about the trade off.