special relationship between him sleep and the study of foreign languages ​​were identified by scientists, emphasizing that it is no coincidence that we see dreams in which we speak in a language different from our native one.

But why does the brain invent these “multilingual” dreams, and what impact might they have on our language skills?

“It’s all about the language. We’re constantly learning new words, even in our own language,” says the psychology professor who runs the Center for Sleep, Language and Memory at York University.

Experts note that when we sleep, new knowledge is mainly included in the old. The same thing happens with words, whether it concerns our native language or a foreign one.

“Imagine that you have some sort of label on your memories. Every new word you learn also belongs to a tag,” says Gareth Gaskell, noting that this process of sorting words into tags happens when someone is in deep sleep.

We can learn new words while we sleep

In fact, experts emphasize that in addition to processing information during the day, our brain can also learn new words during sleep.

“You have to keep in mind that people can learn foreign words in their sleep. However, this process is different from when we are awake,” says Mathieu Koroma, a researcher at the University of Liege in Belgium who specializes in sleep and cognition.

He also mentions that when we sleep, we can tell fake language from real language.

However, the fact that we can effortlessly learn a foreign language while we sleep does not mean that every time we go to bed we have to play a video in a foreign language in order to memorize the words.

“Something like that would backfire on us because it could disrupt our sleep,” Koroma says, pointing out that in a similar experiment, participants learned foreign words much faster when they were awake than when they were asleep.

“When we are awake, we are alert, and this is a key element in learning a foreign language. So learning new languages ​​in your sleep is a bad idea,” he adds.

In any case, experts note that more research is needed to be able to explain specific dreams (in which we speak in a foreign language). The brain’s effort to learn and remember a word – even when we’re asleep – is impressive.

^{According to the BBC}