If you are interested in polyphasic sleep, the best long run experiment I know is from Steve Pavlina. 90 days of polyphasic sleep:
Further reading: http://stevepavlinalies.wordpress.com/ http://www.scottfreethinking.com/2010/02/why-steve-pavlina-i...
I don't think he lasted 5 months on his polyphasic regimen for the same reasons listed in the sleepmemo article.
Do you have a link to this article? I couldn't find it on either of those blogs.
EDIT: parent must mean this:
Thank you for the link.
Actually, Steve continued to maintain his polyphasic sleep schedule for a total of 5.5 months, not 90 days [1]. It appears that he simply did not update his sleep log entries very frequently after day 90.
His "One Year Later" post was interesting: http://www.stevepavlina.com/blog/2007/03/polyphasic-sleep-on...
[1] "After doing polyphasic sleep for about 5-1/2 months, I finally decided to switch back to monophasic."
http://www.stevepavlina.com/blog/2006/04/polyphasic-sleep-th...