A few applications allow to adjust the parameters of Android 6 automatic power saving capability, like
This other app published on comes with a cool description of the various parameters the system takes into consideration to activate this lower power state.
Interesting read to learn more about how things work ☺
[Root] Doze Settings Editor (Android Marshmallow Only)
Android Marshmallow Doze Settings Editor Requires Root This app is a simple editor of the settings or parameters which affect the operation of Doze. If no…