My main problem is akrasia over getting to bed because after 9 PM I do a Jekyll and Hyde switch where Hyde comes out and wants to stay up late trying reading, writing, programming, or stopping people on the internets from being wrong.

So go to bed before 9. ;-)

(Seriously, though, I've found that there are certain time windows for me to go to bed, and once they pass, I then want to stay up a few more hours, so catching a sleep window before 9 might actually work for you.)