How to Learn Spanish While You Sleep? Resources and Researchings

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How to Learn Spanish While You Sleep
  • Luis Ronson
  • 25 Feb, 2024
  • 4 Mins Read

‍Learning Spanish while sleeping, various stimulants during sleep; It is a method of transferring information by playing music, movies, and songs. The method of learning Spanish while sleeping is when the brain reacts to stimuli and processes information during sleep. The method of learning languages while sleeping was first implemented in 1927 under the leadership of inventor Alois Benjamin Salider. As a result of most research conducted in the past and today, you cannot learn Spanish by sleeping. 

The method of learning languages while sleeping is widely featured in science fiction books and movies. For example;

  • In Aldous Huxley’s 1932 novel Brave New World
  • In Robert Heinlein’s 1948 novel Space Cadet
  • In BBC Radio’s Journey to Space (1953–1958)

The Science Behind Sleeping Spanish Learning

Studies on learning Spanish while sleeping are conducted scientifically. All researchers who manage these projects intend to learn a new skill or ability from scratch. By investigating the state of the brain and consciousness during sleep, they are looking for new ways to learn.

The Brain’s Activity During Sleep

Contrary to popular belief, our brains do not completely shut down when we sleep. During sleep, the brain reviews memories and experiences and deletes unnecessary ones. During the Slow Wave Sleep (SWS) phase, the brain makes room for new information, and sleep supports language learning.

Studies and Findings

Numerous studies have been conducted to investigate the possibility of learning while asleep. While the results may be inconclusive, they offer interesting insights. For instance, a study using mice demonstrated that electrical stimulation makes learning during sleep possible.

Another study conducted at the University of Bern in Switzerland showed that individuals could learn new data during sleep by associating odors with different tones. However, it is essential to note that these studies primarily focused on specific aspects of learning and not the acquisition of an entire language.

The Experts’ Perspective

To gain a comprehensive understanding of learning Spanish while sleeping, it is essential to consider the viewpoints of experts in the field. Marc Züst, a professor at the University of Bern, suggests that while the brain can associate words during sleep, it is not equivalent to learning a language in its entirety, including grammar and linguistic structures.

According to Züst, information acquired unconsciously during sleep is not accessible in a conscious state. These findings imply that sleep learning may have its limitations when it comes to acquiring a new language.

While these studies provide valuable insights, there is still much to learn about the impact of sleep on language learning.

Exploring Sleep Learning Resources

Although the effectiveness of learning Spanish while sleeping is debatable, it doesn’t hurt to explore available resources that claim to aid in vocabulary acquisition and retention.

  • Learn While You Sleep: This YouTube channel offers Spanish flashcards and sleep-learning videos focusing on common words and phrases.
  • Master Subliminal: Focusing on subliminal learning, this YouTube channel provides videos covering Spanish vocabulary and verbs accompanied by relaxing sounds.
  • Vocabuflash: While not specifically designed for sleep learning, this YouTube channel offers thematic vocabulary videos that can be used for sleep listening.
  • Real-World Spanish Lessons: This YouTube channel features a sleep-learning video with 60 useful Spanish phrases accompanied by relaxing music.
  • SpanishPod101: This YouTube channel offers a video titled “200 Words While Sleeping,” where each word is presented in English and Spanish over a background of relaxing music.
  • Learn Spanish World: With a soft rain sound in the background, this YouTube channel provides sleep-learning videos featuring ready-made phrases and common words in Spanish.
  • Learn Spanish: Sleep Learning System: This iOS app focuses on “guided meditation” to help open the language center of your mind, potentially aiding language learning.
  • Learn in Your Car Spanish: The Complete Language Course”: While intended for car usage, this CD set can also be used for sleep learning, providing nine hours of audio content covering a range of vocabulary.

It’s important to note that these resources should be used as supplementary tools rather than the sole language learning method. Combining traditional learning methods with sleep learning resources may enhance vocabulary retention.

What are the Harms of Learning Spanish While sleeping?

While sleep Spanish learning may hold some potential for vocabulary acquisition, it is essential to be aware of its limitations. Overstimulation with new information during sleep can affect learning and make it more challenging to memorize or retain information the next day. Sleep learning can also interfere with the brain’s energy available for consolidating long-term memories and disrupt the cleaning process of metabolic waste cells during sleep. Additionally, external factors such as noise can disrupt sleep quality and hinder the benefits of sleep learning.

While there is scientific evidence to suggest that some learning can occur during sleep, it is essential to approach sleep learning with caution. Learning a language involves more than just vocabulary acquisition, and the limitations of sleep learning should be considered.

Exploring sleep learning resources can be a fun and supplementary way to reinforce vocabulary, but it should not replace traditional language learning methods. Emphasizing active learning while awake, such as engaging in conversations, practicing grammar exercises, and immersing oneself in the language, remains crucial for language acquisition.

So, while the idea of learning Spanish while you sleep may capture your imagination, it is essential to recognize that a solid foundation in the language requires dedication, practice, and active engagement in the waking hours.

Who are Researching About Learning Spanish While Sleeping?

Scientists have been searching for different methods to facilitate the learning of a language for years. Some scientists’ entire research has been written on learning while sleeping. Scientists who conduct research on learning Spanish while sleeping are listed below.

  1. Marc Züst, a professor at the University of Bern in Switzerland
  2. Simon Ruch
  3. Carmen Westerberg
Luis Ronson

Luis Ronson is a Spanish teacher at He's a bilingual Spanish-English. She has a master's in "vocabulary" and is responsible for our Spanish vocabulary-related articles.

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