Hong Kong (CNN Business) Pokémon thinks we gotta catch 'em all — even in our sleep.

Wednesday revealed a handful of products in Tokyo including an app called Pokémon Sleep. Three years after the Pokémon Go craze temporarily boosted Nintendo's market value , the Pokémon Company onWednesday revealed a handful of products in Tokyo including an app called Pokémon Sleep.

The company shared few details on the app, but said it would track the amount of time players spend sleeping and when they wake up. Both of those data points will have an effect on game play. An external device that comes with the app will send the sleep data to users' smartphones.

The app, which is expected to launch sometime next year, "aims to turn sleeping into entertainment," The Pokémon Company said in a statement.

The Pokémon Company president Tsunekazu Ishihara speaking in Tokyo on Wednesday.

The Pokémon Company was set up 20 years ago by three Japanese game developers that share copyrights for the Pokémon franchise — Nintendo, Creatures Inc. and Game Freak.

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