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Actually, yes. It is called polyphasic sleep: http://en.wikipedia.org/wiki/Polyphasic_sleep http://en.wikipedia.org/wiki/Polyphasic_sleep

• pchristensen 17y ago
  One man's experience: http://www.pchristensen.com/blog/articles/category/polyphasic/ http://www.pchristensen.com/blog/articles/category/polyphasi...
• dave_au 17y ago
  I tried a 28-hour day for about a week: http://www.dbeat.com/28/ http://www.dbeat.com/28/ I'm glad I did solely because I know that if I hadn't I'd be wondering about both the 28-hour day and polyphasic sleep until I tried it, and I'd probably have more at stake if I tried it later. It was not good. I tried it in the middle of working on my PhD. I could still write code, but the quality dipped a little. My theory work stopped - the whole abstract complex thought part of my brain shut off - and it took me a while to notice. There was some digestive confusion for a while as well - the body is a pretty complex thing, and it turns out that (at least mine) really likes it's cycles. I made it through a week and a half - at least I think it was - it really throws your idea of what a day is. The abstract complex thought bit took a while to come back. It took about a month and a half to recover properly. Would not try again.