Thanks for posting all this info. I think I'm going to give biphasic a try. Poly I found a little off-putting because of my busy work schedule, but this could be more doable.
I already tried something a little different last night:
Went to bed at midnight, then woke at 4 AM, turned on the light next to the bed and read for a good half hour. Also used the bathroom and rinced mouth with mouthwash. Went back to sleep and woke around 8AM. By reading a little, this helped elevate my dream content, and also had a more restful sleep because of the bathroom break.
Anyway, it's good to be back on the forums after a long break, and I look forward to posting a few more notes on how this experiment goes (probably in the morning hours