thanks for all the anwsers,hopefully they can give me a anwser soon my soon does complain he is tired after he does alot walking outside, running, playing his is pretty addicted to his games on the playstation and thats the only thing he wants to do he can he loves going swimming and will swim with lots of energy the gets out so exhuasted he then wants to just sleep. yes he is on concerta 38 mg but has not took it for the last month he also was diagnosed with mono ugh this is so stressed outhis attitude has also changed big times