Doing sports with ADHD has been pretty well documented. The basic issue with ADHD, or at least ADHD-i (inattentive) is that we have problems with executive function. In particular, those of us with ADHD have problems breaking things down into tasks and we often have poor working memory. So when you go to BJJ class and the instructor goes over a 17 step sequence to take you from half guard all the way to an arm-bar, those of us with BJJ often go… WTF did he just say?