: Introduced in Android 6.0 (Marshmallow), Doze restricts an app's access to network and CPU-intensive services when the device is unplugged, stationary, and the screen is off.
: Newer versions of Android (7.0+) include a "lighter" version of Doze that activates even when you are moving the device (e.g., in a pocket), provided the screen is off. Managing or Disabling Doze Nose Dose Android Gratis
: It defers background tasks, syncs, and standard alarms to periodic "maintenance windows" to maximize battery standby time. : Introduced in Android 6