How to change the automatic sleep time of mobile phone?

How to change the automatic sleep time of mobile phone;

Mobile phone model: OPPOA59

System version: Android 5. 1.0

Open the phone settings, find the display and brightness, and then click:

Go to the Display and Brightness page to find Hibernation, and then click:

You can adjust the hibernation scenario according to your own needs:

I hope the above methods will help your friends!