ADHD stimulants appear to work less by sharpening focus and more by waking up the brain. Brain scans revealed that these medications activate reward and alertness systems, helping children stay interested in tasks they would normally avoid. The drugs even reversed brain patterns linked to sleep deprivation. Researchers say this could complicate ADHD diagnoses if poor sleep is the real underlying problem.
Neglect of focus on adult adhd seems to be a thing, eh?
The therapist who diagnosed me as an adult kept stressing that he will add scientific literature to his reports to support and justify his diagnosis of an adult for any future health care stuff I might have to deal with.