# Learn a language overnight.

With the Duolingo Pillow, we guarantee language fluency by sunrise.

## Don’t count sheep, master a new language.

“I went to bed only speaking English, but woke up bilingual. ¡Buenos días a todos!”  
Sean Chin, Pittsburgh

### CEREBRAL CORTEX CUSHION

Our state of the art synthetic fibers encourage development in the cerebral cortex, which improves language retention.

### LINGUISTIC REINFORCEMENT VIBRATION

Our proprietary algorithm uses Morse code to subtly teach your brain new language vocabulary and concepts.

### AUDITORY CORTEX TRANSMITTERS

Using high frequency sounds, the pillow transmits audio samples that teach you pronunciation.

## Trust us, it's science.

Research shows that stimulating brain oscillations during sleep enhances learning and memory consolidation.

[Boosting slow oscillations during sleep potentiates memory](http://www.nature.com/nature/journal/v444/n7119/abs/nature05278.html)  
[Auditory Closed-Loop Stimulation of the Sleep Slow Oscillation Enhances Memory](http://www.sciencedirect.com/science/article/pii/S0896627313002304)  
[Sleep smart-optimizing sleep for declarative learning and memory](http://journal.frontiersin.org/article/10.3389/fpsyg.2015.00622/abstract)

## Order one today!

**Spanish** Pillow  
Guaranteed B1 fluency in 7 hours  
**Bonus** Castilian Spanish pronunciations.

**French** Pillow  
Guaranteed B1 fluency in 7 hours  
**Bonus** Upgraded flirting abilities.

**Italian** Pillow  
Guaranteed B1 fluency in 7 hours  
**Bonus** Ability to order pasta.

**Japanese** Pillow  
Guaranteed B1 fluency in 14 hours  
[AVAILABLE IN 2039](/content/site-root.html)