Follow-Up: A Dr. Sheldon who is a pediatrician in Chicago spoke at a conference in Windsor Aug. 21-24. He said there is no concrete proof yet but after testing 13 "normal" kids & 13 "adhd" kids that the MSLT scores for the first group were about 20 minutes & the MSLT scores on the adhd group were almost 1-1 scores of 5 minutes or less. As he said; "They have no concrete proof yet but, isn't that interesting? Hope this helps, Mary