ADHD may, in some cases, be a mis-diagnosed sleeping disorder.

[robw]

Another interesting article about a specific sleep disorder that often results in certain people being misdiagnosed with ADHD, that is easily remedied by a simple operation that clears the airways. Instead they often get prescribed Ritalin.

http://www.newscientist.com/article/mg20126962.100-are-bad-sleeping-habits-driving-us-mad.html

[snakes77]

http://news.bbc.co.uk/1/hi/health/8016531.stm

Another article on this subject of sleep patterns and lack of sleep effecting behaviour and possible symptoms of which may be displayed by children who have been given a diagnosis of ADHD, Basically reiterating what the previous article had said, but from a different source.