It's no secret that exercise helps with mental focus and mental stamina. Top chess players, who you could call the original pro gamers, maintain fairly strict e

It's no secret that exercise helps with mental focus and mental stamina. Top chess players, who you could call the original pro gamers, maintain fairly strict exercise regimes: https://www.inc.com/betsy-mikel/1-thing-the-worlds-best-chess-player-swears-by-to-build-mental-stamina.html https://www.inc.com/betsy-mikel/1-thing-the-worlds-best-ches...