Caffeine is one of the most widely consumed psychoactive substances in the world, known for its stimulating effects that can enhance alertness and reduce fatigue. With the fast-paced lifestyle many lead today, understanding how caffeine works, particularly its half-life, is essential for effective energy management. The half-life of a substance is the time it takes for its concentration in the bloodstream to be reduced by half. For caffeine, this typically ranges from three to seven hours, depending on various factors including age, metabolism, and individual sensitivity. Knowing how to calculate the half-life of caffeine can help you optimize your caffeine intake to maintain energy levels throughout the day without experiencing…