Wind Down (root, beta)

Ветер вниз большая новая особенность Android P. Этого приложение обеспечивает его для всех

Wind Down is a great new feature of Android P. It allows to switch the screen to grayscale at a certain time to prevent you from spending the whole night at your phone. This app ports the feature to older Android versions.

This app is still in beta. The app requires root access.