There is controversy over whether energetic children who have difficulty sitting quietly for long hours in school too frequently receive a diagnosis of

ADHD.  

Explanation: Attention Deficit Hyperactivity Disorder, also known as ADHD, is a group of behavioral disorders which symptoms are hyperactivity, impulsiveness and inattentiveness. People who have been diagnosed with ADHD may also experience sleeping problems and anxiety disorders. Even though energetic children who have difficulty sitting quietly for long periods in school, are likely to be diagnosed with ADHD, that may not be the case at times.

could you go a bit more in depth with you question? it's quite hard to understand. as soon as you do that i will be glad to : )

answer; /// decreasing responsiveness to a stimulus to which one is repeatedly exposed;