To sleep: perchance to learn
Nature Neuroscience (September 2012) 15, 1322–1323
Not only can the sleeping brain perceive sensory information, it can learn from this information, leading to changed behaviors the next day: it can come to associate a sound with a pleasant or unpleasant odor and react, both while still asleep and after waking, with a deeper or shallower breath. But classic ‘sleep learning’ remains just a dream.
Sounds during sleep may help you remember