Auto brightness keeps turning off by itself

[zaru_udan]

Please tell us some basic information before asking for help:
Model Name: zenfone 7 pro
Firmware Version: 29.13. 7.24
Rooted or not: no
Frequency of Occurrence: daily
APP Name & APP Version (If your issue relates to the app):
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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My auto brightness always turns off automatically after 24 hours or when I go sleep.

Why does this happen? I never touch the brightness slider too..

[Anders_ASUS]

Ok, and how do you notice this. Will it stay at the same brightness even if you hold it under a lamp?

[zaru_udan]

Every time I wake up or don't use the phone for a long period of time (5 hours) it will just reset again..

[zaru_udan]

I've noticed also when I plug my phone into charge, refresh rate Moe changes automatically, and unplugging it changed again. Could it be this?

[morenomiguel198]

Are you using different power mode settings when plugged or at night ?
It may be the settings in the power mode that override user settings.