Alarm Clock xTreme snooze will not turn off display

Hello Fernando
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I recently upgraded to the latest version (Alarm Clock xTreme 4.0.0.1).
 
I like the new look and functionality.
 
There is one issue though: When my alarm goes off and I touch “snooze” on the screen, the alarm snoozes as it is supposed to but the screen remains on for the duration of the snooze (the phone display never goes off). Before this, as soon as I touched “snooze” the phone display went off.
 
Not only is this annoying in a totally dark room, but it drains my battery.
 
I have tried looking in  the settings but no joy. How do I resolve this?

Hello Fernando
Thanks for your feedback here

Describe in detail the problem here
AVG will review your question and will answer
Thanks