"i am a adult, recently diagnosed with add.  probably had it my whole life, but now i am doing something about it.  my doctor prescribed this medication, and at first, i was so focused and improving my error ratio&#039;s at work.  the only thing even after increasing my dose, it wears off.  by 1:00pm, i am tired and can go to sleep.  i think i am going to ask my doctor to give me the non extended so i can take it in the am, and pm.  other than that, it is a great medicine, and i don&#039;t have the non-appetite side effect, in fact, it makes me want to eat more."