Most people’s after-midnight mishaps are nothing compared with what David K. Randall describes in his new book. From people committing murder while supposedly sleepwalking, to what sleep was like in medieval times, Dreamland provides a lively overview of the world’s most popular nocturnal pastime.
http://www.npr.org/2012/08/07/158087512/dreamland-open-your-eyes-to-the-science-of-sleep