Well, I've been trying dilligently for the past week or so, but - would you believe it - the one week I decide to give this a shot, I actually develop a social life. A number of social engagements that crept up on me over the past week have turned out to be difficult, if not impossible, to reschedule.
One of the drawbacks of a polyphasic sleep schedule is the unacceptability of missing just a single nap. Miss one, and you're thrown off for a day; miss two, and you're completely screwed. After about three or four days of sticking with it faithfully, I began to miss naps and the whole thing fell apart. Even an impromptu fishing expedition with my brother this morning was more than marginally unpleasant due to accumulated sleep debt.
If even during what is supposedly a holiday I am unable to make time for this sort of thing, I seriously doubt I'll be able to keep it going during normal life. I can't say I consider it a healthy lifestyle, nor can I say it was fun while it lasted, but, goddamn, if it isn't interesting!