Should You Drink Coffee Before a Tennis Match?

Coffee can give you a boost before a match. But it can also accelerate dehydration. Is it OK to drink coffee before playing a tennis match?

Coffee has caffeine, a known stimulant that can give you a boost. Coffee can also cause dehydration. So, is it okay to drink coffee before a tennis match?

I drink coffee before early morning matches for two reasons: I can’t function without a first cup of coffee, which helps me focus.

A 2019 study cited by the National Institutes of Health suggests caffei…