Internet giant Google has released an update for its reading app PlayBooks.
The use of smartphones and tablets in the evening can convince namely the brains of users that it is still day, so after using sleep is hard to grasp. By 'Night Light', as the new option is called, turn on, the screen automatically turns less blue and more yellow as the evening progresses.That is what softer to the eyes and leads to the asleep easily can come after reading. The feature is now available on iOS and Android versions of the app.