Continuing on the theme of sleep dysfunction, this article talks about new information on what is going on in the brain that contributes to jet lag. This is also relevant relevant to adults with ADHD because they often will have an irregular sleep cycle. Many people I work with find themselves staying up very late into the night and sleeping much of the day. The process of trying to reset your sleep schedule may have similarities to jet lag.http://www.bbc.co.uk/news/health-23880152'Molecular basis' for jet lag foundBy James Gallagher Health and science reporter, BBC News