[user_7832]

> I'd love to see if someone was able to be productive for 3+ years on polyphasic sleep.

Buckminister Fuller apparently was close. > Fuller reportedly kept this Dymaxion sleep habit for two years, before quitting the routine because it conflicted with his business associates' sleep habits. (From his wikipedia page)

[meindnoch]

Yikes. For me, this is an argument against polyphasic sleep. That guy was a total quack.