The idea of learning during sleep, say by listening to a recorded class, can be tempting to make a good use of roughly a third of the day. Has it ever worked though? If so what is the most efficient method to retain information?

  • It seems like it has worked, but usually only when you're in the stage where alpha activity occurs, which is just before you wake up. en.wikipedia.org/wiki/Sleep-learning – Some Guy Jun 13 '12 at 7:49
  • The fact that most research is circa 1960 and that hypnopaedia is promoted mostly in self-growth/self-help sites suggests that there isn't strong scientific support on the concept. – Astyanax Jul 10 '12 at 18:01

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