BrienneYudkowsky comments on Seed Study: Polyphasic Sleep in Ten Steps - Less Wrong
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I've a few questions about those "atypical sleep patterns" :
Are there studies about their long-term effect on health, lifespan, IQ, ... ?
How do they cope with sickness/wounds ? If you get the flu, will you be able to heal as fast using a Uberman or Everyman sleep pattern ? People doing monophasic will tend to sleep much more when sick, both increase the size of the monophasic sleep and doing naps. What happens if you follow Uberman/Everyman ? Can you get this additional sleep when sick, without breaking the whole adaptation ?
How do they cope with various kind of schedule/social constraints ? With monophasic sleep, you can relatively easily adapt your sleep schedule (staying awake late, waking up early) to cope with any event, from a family dinner to a RPG night to a plane to catch, what happens when you disturb the sleep pattern of Uberman/Everyman ? Do they handle such "transgression" as well ass monophasic ?
I can provide a data point to 3:
Not at all! I have 2 days a week where I can't freely schedule my sleep and need to be awake for 8+ hours. This completely killed all attempts to implement any schedule listed on Polyphasic_sleep. To be fair, I almost made it with Biphasic but I tend to have a "long boot time" so I decided it isn't worth feeling like crap two times a day for half an hour.
In the end I invented my own schedule which, again, was only partial success. While experimenting on the schedules I noticed that I sometimes feel very refreshed in the "morning", but not often. I thought it's connected to the REM and tried sleeping multiplies of around 1h30m but either it wasn't connected to REM or my cycle deviates too much from the mean because experimentally I estimated this "good cycle" of mine to be 2h20m.
Then on a normal day I'd sleep one "wwa-sleep-cycle" two (for 19.4% sleep time) or three (29.2%) times a day which is not even close to Uberman on average, but I feel awesome. The interesting feature of this schedule of mine is that I can switch in/out of it immediately on the next day. Scaling to external constraints works well as a side effect of adaptation time e.g. before a tough day I'd sleep two cycles continuously or even get back to monophasic sleep with 3 cycles continuously.
Of course all this is original research on one specimen so may not apply to anyone else at all. Also, it took me months to do and now I only do it when on a tough deadline because one person would kill me if I'd set an alarm clock in the middle of the night, every night ;-)
Have you tried one of those iPhone/Android apps which guess what part of your sleep cycle you're in based on accelerometer data, and try to wake up when you're not in REM or SWS?
No, I didn't know it exists, cool. Looks like one more reason to get myself a smartphone already.
There are widgets that do the same thing but are much cheaper than a smartphone¹, though much more expensive than an app if you already have a smartphone.
How much did you sleep on a monophasic schedule?
Before experiments pretty close to 8 on average, maybe slightly less.