It's funny you mentioned the tooth pain. I became aware of two major cavities a few weeks after I made the switch. The pain was so bad I had to check myself and sure enough, they were big ones right at the gumline... ...big enough for me to run my fingernail
through. The dentist was shocked to see them. He told me they probably started forming at least a year before.
My sleeping habits have definitely changed, as well. For the first month, I slept 2-3 hours longer on average, though I didn't feel groggy when I was awake, rather, I had a hard time containing the energy. There was a lot of foot tapping whenever I was doing something that didn't require much energy. I was in a bit of a fervor most of the time. It was just a blind drive towards doing things and stuff. I seem to have calmed down a lot lately though. I sleep less than I used to, but I feel more rested. And for once in my life, my circadian rhythm is consistent. I have never gone for more than a week without going off-course before, but I'm well over a month into going to bed at the same time and waking up at the same time every night/day now. The trade-off is that I have either several short, but memorable dreams or one long, ridiculously epic one every night. There's nothing abstract about them at all. Sometimes, they can be intensely unpleasant, but I find even those ones to be fascinating. I go lucid at least once week. Rather than thinking about the stress of the day to come, I now wake up thinking about the crazy dreams I just had. They are so vivid that I often find myself recalling the chains of events throughout the day.