David, Yes I'm aware of that circadian drop about every 12 hours, and that would probably be an interesting thing to try---to sleep every 12 hours, alternating 90 minute naps with 270 minute core sleep.
For me to do this and coordinate nightsleep time with family (10-11PM), I'd have to nap at 10-11AM. I could probably do that since I'm my own boss, but it would be a bit awkward and interfere a bit with the office schedule I've set up. (Wha-a-a-a-t she's asleep at 10 in the morning ???????
)
I'm going to keep that in mind, though. If I did set something like that up and it turned out to be a regular thing, it wouldn't be much of a deal. Trick is to know somehow that it actually works so I don't have to take everyone else on the same roller coaster ride I'm currently enjoying as I experiment with this
!