How to Turn off Sleep Mode on iPhone 15: A Step-by-Step Guide

Tired of your iPhone 15 dozing off while you’re in the middle of something important? It can be pretty frustrating when your device decides to take a nap, especially when you need it awake and alert. But worry not, turning off sleep mode on the iPhone 15 is a piece of cake. All you need to do is tweak a few settings, and voila, you’ll have your iPhone 15 up and running for as long as you need.

Step by Step Tutorial: Turn Off Sleep Mode on iPhone 15

Before we dive into the nitty-gritty of turning off sleep mode, it’s important to understand that sleep mode is also known as Auto-Lock. This feature helps save battery life by turning the screen off after a certain period of inactivity. But when you’re in the middle of reading a lengthy article or following a recipe, it’s the last thing you need.

Step 1: Open the Settings App

Navigate to your iPhone’s home screen and tap on the “Settings” app to open it.

Opening the Settings app is your gateway to customizing your iPhone 15. It’s where all the magic happens – from changing your wallpaper to setting up privacy controls.

Step 2: Go to “Display & Brightness”

Scroll down and tap on the “Display & Brightness” option.

“Display & Brightness” is where you control how your iPhone display behaves. It includes settings such as brightness, text size, and, of course, sleep mode.

Step 3: Tap on “Auto-Lock”

From the “Display & Brightness” menu, tap on “Auto-Lock”.

The “Auto-Lock” setting determines how long your iPhone waits before the screen locks and goes to sleep.

Step 4: Select “Never”

You’ll see a list of time options ranging from 30 seconds to 5 minutes. Select “Never” to turn off sleep mode.

By selecting “Never,” you’re telling your iPhone to keep the display on indefinitely, until you decide to lock it yourself.

After completing these steps, your iPhone 15 will no longer automatically go into sleep mode. Now, you can read, cook, or work uninterrupted without your screen going dark.

Tips: Turn Off Sleep Mode on iPhone 15

  • Keep in mind that turning off sleep mode can significantly drain your iPhone’s battery life.
  • If you’re worried about privacy, remember to manually lock your phone when you’re done using it.
  • Consider adjusting your screen brightness to a lower setting to help conserve battery life even with sleep mode off.
  • Use sleep mode strategically. Turn it off when you need to, but turn it back on to benefit from the battery-saving feature.
  • If you forget to turn sleep mode back on, your iPhone 15 will remind you with a notification after a period of inactivity.

Frequently Asked Questions

Will turning off sleep mode affect my iPhone’s performance?

No, turning off sleep mode will not affect your iPhone’s performance. However, it will use more battery power because the screen will remain on.

Can I set a specific time for sleep mode to turn back on automatically?

No, once you select “Never” for Auto-Lock, sleep mode will remain off until you manually change the setting.

Is there a way to temporarily disable sleep mode without changing the settings?

Yes, you can use the “Guided Access” feature to keep your iPhone awake for a specific period or task.

What if my iPhone still goes to sleep after setting Auto-Lock to “Never”?

If this happens, it could be due to a software issue. Try restarting your iPhone or check for any pending software updates.

Can I create a shortcut to toggle sleep mode on and off quickly?

Currently, there’s no direct shortcut, but you can use Siri to open the “Display & Brightness” settings quickly.


  1. Open the “Settings” app.
  2. Tap on “Display & Brightness”.
  3. Select “Auto-Lock”.
  4. Choose “Never”.


In conclusion, turning off sleep mode on the iPhone 15 is a simple task that can greatly enhance your user experience, especially when you need your screen to stay on for extended periods. Just remember that keeping sleep mode off will have an impact on your battery life, so use this feature judiciously. And, if you ever need to keep your phone awake for a specific task without changing the Auto-Lock settings permanently, give the “Guided Access” feature a try. With the iPhone 15’s advanced settings, you have complete control over how your device behaves – ensuring it works just the way you want it to.

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