Common misconceptions about hydration and performance include the belief that thirst alone is a reliable indicator of hydration. Many people underestimate their fluid needs, especially during intense exercise. Another myth is that beverages with caffeine contribute to dehydration; research shows moderate consumption does not significantly impair hydration status. Additionally, individuals may think that drinking excessive amounts of water is always beneficial, when, in fact, overhydration can lead to serious health issues. Understanding accurate hydration principles can enhance athletic performance and overall health.