Putin: calls himself an early riser, goes to bed at 10-11-12. (source http://www.gazeta.ru/2001/03/06/intervjuprez.shtml http://www.gazeta.ru/2001/03/06/intervj

Putin: calls himself an early riser, goes to bed at 10-11-12. (source http://www.gazeta.ru/2001/03/06/intervjuprez.shtml http://www.gazeta.ru/2001/03/06/intervjuprez.shtml) Medvedev: wakes up at 8, goes to bed at 2 or later. (http://www.kp.ru/daily/24089/320586/ http://www.kp.ru/daily/24089/320586/) Obama: shows up at the office shortly before 9. ( http://www.nytimes.com/2009/01/29/us/politics/29whitehouse.html http://www.nytimes.com/2009/01/29/us/politics/29whitehouse.h...) G. W. Bush: early riser, goes to bed at 10 (http://abcnews.go.com/Politics/story?id=1474572 http://abcnews.go.com/Politics/story?id=1474572)