It seems that everybody, from comedians, to poets, to world leaders, have something to say about sleep. So why not scientists? Sleep, or the lack of it, is the focus of considerable research in the United States, where sleep disorders and sleep deprivation have been associated with poor cognitive performance, behavioral problems, accidents, ill health and other factors that adversely affect quality of life. When we do sleep, we also dream; in fact, during a typical lifetime, people spend an average of six years dreaming. Sleep, dreaming, and the impact of medicine and society were the subject of a AAAS/Dana Public event in Washington, DC on March 11, 2014.