[lynx23]

This resembles the oldest self-optimisation-trick I've ever been exposed to: Soak in a topic short before going to bed, avoid distractions before actually falling alseep, and "watch" your brain learn overnight. I think I was aroun 10 when I was told this trick. And to this date, its about the only tangible memory optimisation technique I've ever put to use. Nothing ever came close to its effectiveness.