Sleep Screen

Please can consider "Sleep Screen EX" if you use face or finger authorization.Sleep Screen EX

It turns off and locks the screen as if you press the power button.

Screen off means sleep mode. (This is different from shutdown.)
There are no effects, and it's lightweight and simple.

*About starting up after the first installation
The first time you run the application, a screen to set the "lock permission" will appear.
Please enable "Lock Permission" before using the application.

*Caution when uninstalling
If "Lock Permission" is still enabled, uninstallation is not possible.
If you want to uninstall the software, please disable the "Lock permission" before uninstalling.
When uninstalling, disable "Lock permission" before uninstalling.

For example
Go to [Settings]-[Lock & Security]-[Device Management] and uncheck this app.
Uncheck this application.
Go to [Settings]->[Apps]->Select this app->Uncheck this app.