Reviews Asleep: The Forgotten Epidemic that Remains One of Medicine’s Greatest Mysteries by Molly Caldwell Crosby Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News August 27, 2010 at 10:17 am A historical account of the sleeping sickness pandemic of the 1920s and the science behind it. ASLEEP BY MOLLY CALDWELL CROSBY Berkley, 2010, 291 p., $24.95.