My sleep is unpredictable. Not in a technical sense, but a colloquial one. To be literal, I have no idea how to predict my sleep. I just as often sleep through the day as I do through the night. My sleep itself, as far as a sleep study can tell, is normal. I can vaguely say, 60% confidence, if I'm likely to fall asleep in a given 3-4 hour period, and occasionally I will be fairly sure, 80% confidence, 6-10 hours beforehand, of a 1-2 hour period. I can similarly predict the length of my sleep (which is relatively normal--generally distributed 7, 8, 9.5, 13 hours at .1, .4, .6, .9).
My sleep... (read 203 more words →)
For a while I thought I had delayed sleep phase syndrome (which is more easily treated with light therapy), and that it's just so severe that the morning sunlight late in my day tends to make it go crazy. It's not quite regular enough for non-24. Or it could be completely irregular.
In any case, light therapy doesn't seems to help at all. I tried it for about a month or two with this and saw no effects. Also, it's a /huge/ inconvenience.