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Petra comments on Open Thread, July 16-31, 2012 - Less Wrong
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Congrats! Some topics I'd like to see, most of which you'll probably already cover (though they may be more on general "sleep" than "self-experimentation and sleep"):
1) distributions of sleep in general population and any information you can find on correlates
2) any well-powered interventions to see whether sleeping more correlates with success in any way (more working memory, decreased bias, real-world measures, etc.)
3) whether lucid dreaming really might make your memory worse because you need that REM sleep to be "random" (generally, trade-offs to lucid dreaming)
4) trade-offs in sleep: what are the upsides/downsides to more, what are the upsides/downsides to less, and how might drugs like modafinil play into this.
Edit 7/30: fixed typo in #4
Re: #3, tradeoffs of lucid dreaming,
I don't know of any studies to support this, nor have I done sufficient systematic investigation of the phenomenon, but I am a lucid dreamer, and I have noted a general trend of increased alertness and improved memory of dreams after lucid dreams. I'm not well-versed enough in the science of dreaming to propose any credible explanation for this, nor do I have evidence that memory in general is improved. However, it has been consistently true that I have better memories of lucid dreams than non-lucid ones, and I am more likely to wake up fully alert after a lucid dream than is normal for me.
I know anecdotal evidence may not carry a great deal of weight, but I hope this is helpful.