My friend and I had to catch a bus earlier today, and as we were walking, I thought about this specific post and exercise and realized that since we were under a pretty tight time constraint, it made no sense to walk to the bus, and we should instead run because that increased the probability of making the bus on time. We got to the station, and the bus arrived about 3 minutes later. We arrived where we needed to be with one minute to spare. That's a pretty big success in my book.
Out of curiosity, can you elaborate a little on the irrationality with sleep cycles? I feel like I might have a very similar problem.
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At today's meetup in Tortuga, we were supposed to discuss something we're currently being irrational about. In retrospect I could probably have done better than the item I picked (for example, it now occurs to me that I'm probably currently being irrational about bedtimes and sleep-cycle stuff)...
But the key point is that while straining my brain to think of something I was currently being irrational about, but hadn't fixed yet, I noticed myself being irrational in small ways too.
For example, I was sitting on the floor in a way that was beginning to strain my left thigh, but wasn't standing up and finding a chair...
So I stood up and found a chair.
I think it might be a valuable exercise to spend an hour practicing rationalist mindfulness, constantly asking yourself, "What am I currently doing that is not rational?" as though you had to find something to fulfill your obligation to an LW meetup.