A place to discuss potentially promising methods of intelligence amplification in the broad sense of general methods, tools, diets, regimens, or substances that boost cognition (memory, creativity, focus, etc.): anything from SuperMemo to Piracetam to regular exercise to eating lots of animal fat to binaural beats, whether it works or not. Where's the highest expected value? What's easiest to make part of your daily routine? Hopefully discussion here will lead to concise top level posts describing what works for a more self-improvement-savvy Less Wrong.
Lists of potential interventions are great, but even better would be a thorough analysis of a single intervention: costs, benefits, ease, et cetera. This way the comment threads will be more structured and organized. Less Wrong is pretty confused about IA, so even if you're not an expert, a quick analysis or link to a metastudy about e.g. exercise could be very helpful.
Added: Adam Atlas is now hosting an IA wiki: BetterBrains! Bookmark it, add to it, make it awesome.
I've had excellent success with melatonin (2-3 mg) in getting myself on a good sleep cycle. I take it about 1 hr before I want to be sleeping; works like a charm. Before I used to sit in bed for hours waiting to feel sleepy. Other people here report similar effects.
Only drawback is sometimes I feel groggy in the morning, and I've had lots of crazy dreams on the nights I've taken it (or maybe just remember them better?).
I second the crazy dreams (which I usually enjoy very much...). I've heard from other people that they get them as well.