See also: http://news.ycombinator.com/item?id=1051616 http://news.ycombinator.com/item?id=1051616 Also a year ago some interesting stuff: http://news.ycombina

See also: http://news.ycombinator.com/item?id=1051616 http://news.ycombinator.com/item?id=1051616 Also a year ago some interesting stuff: http://news.ycombinator.com/item?id=187588 http://news.ycombinator.com/item?id=187588 http://www.scientificamerican.com/article.cfm?id=fact-or-fiction-can-you-catch-up-on-sleep http://www.scientificamerican.com/article.cfm?id=fact-or-fic... http://www.supermemo.com/articles/sleep.htm http://www.supermemo.com/articles/sleep.htm