Subliminal learning in your sleep is usually dismissed as pseudo-science at best and fraud at worst, but a team of Swiss psychologists say you can actually learn a foreign language in your sleep. The scientists found that those who had listened to the Dutch while sleeping were much better at recalling the new words.
Besides, can you hear when you sleep?
Yes. If not, you wouldn't wake up to the noise people are making while you are asleep. All the things you hear in your sleep will be processed by your brain, but since they are not important, you are less likely to remember any of that. I had read a really cool experiment on dreaming.
Why is sleep so important for learning?
Second, sleep itself has a role in the consolidation of memory, which is essential for learning new information. Although the exact mechanisms are not known, learning and memory are often described in terms of three functions. Acquisition refers to the introduction of new information into the brain.
What is subliminal learning?
A subliminal message (meaning, below "limen," or our conscious perception threshold) is a message embedded into images or sound meant to penetrate into our subconscious and influence our behavior. The first person to coin the term was James Vicary, a market researcher.