"... Please name a sport, business, or other profession that involves staying up 40 hours straight unshowered, unfed, on a routine basis, for years, trying to n

"... Please name a sport, business, or other profession that involves staying up 40 hours straight unshowered, unfed, on a routine basis, for years, trying to not die or get anyone killed. ..." http://en.wikipedia.org/wiki/Infantry http://en.wikipedia.org/wiki/Infantry