iOS has an always-on-display feature that debuted with the iPhone 14 Pro Model.
If you have the latest iPhone, you already have this feature.
What is an Always On Display on an iPhone?

Which iPhone Models Have the Always On Display?
Why You Should Turn Off the Always-On Display?
You may also want to get rid of the Always-On Display to keep your notifications private.

Anyways, whatever the reason is, the feature can be disabled or customized right from the iPhone tweaks.
Does the Always On Display Really Drain Battery?
The Always On Display feature of the iPhone drains the battery life, but its minimal.

The battery drain is minimal because it dims the screen and lowers the refresh rate.
How do you turn off the Always-On Display on an iPhone?
Its super easy to turn off the Always-On Display on your iPhone.

Simply go through this.
Launch theSettingsapp on your iPhone.
When the options app opens, tap onDisplay & Brightness.

On the Display & Brightness screen, scroll down a bit and find theAlways On.
Simply turn off the toggle next to it.
How do you customize the Always On Display on iPhone?
When the prefs app opens, tap onAlways On Display.
Now, turn on or off any of the customization options like the Show Wallpaper, or Show Notifications.
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