
The Sleep/Wake button is a feature on iPhones and some laptops, such as the Dell G5 SE or Dell G5 5505. On iPhones, the Sleep/Wake button is on the top edge of the device and is used to turn the phone on or off, as well as lock the phone. On the iPhone 16e and iPhone 15 Pro models, the Sleep/Wake button is known as the Action button, which can be used to open the Camera app or turn on the flashlight, in addition to its original functions. On Dell laptops, the Sleep button is identified by a crescent moon icon and is usually found together with the Insert key.
Sleep/Wake Button Characteristics and Values
| Characteristics | Values |
|---|---|
| Location | On iPhone SE, 5s, 5c, and 5, the Sleep/Wake button is on the top edge. |
| Turning the iPhone on | Press and hold the Sleep/Wake button until the Apple logo appears. |
| Turning the iPhone off | Press and hold the Sleep/Wake button until the slider appears, then drag the slider. |
| Waking the iPhone | Press the Sleep/Wake button or lift the iPhone. |
| Putting the iPhone to sleep | Press and release the Sleep/Wake button when the iPhone is on. |
| Locking the iPhone | Press the Sleep/Wake button. |
| Auto-Lock | The iPhone automatically locks if you don't touch the screen for a minute or so. |
| Adjusting Auto-Lock timing | Go to Settings > Display & Brightness > Auto-Lock. |
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What You'll Learn
- Pressing and holding the Sleep/Wake button turns the iPhone on or off
- Pressing and releasing the Sleep/Wake button puts the iPhone to sleep or wakes it up
- The Sleep/Wake button is located on the top right of the iPhone
- The iPhone automatically goes into standby mode after one minute of inactivity
- The Sleep/Wake button can be used to lock the iPhone

Pressing and holding the Sleep/Wake button turns the iPhone on or off
When you press and hold the Sleep/Wake button until the Apple logo appears, you can turn on your iPhone. To turn off your iPhone, press and hold the Sleep/Wake button again until a slider appears, then drag the slider.
The Sleep/Wake button also allows you to wake your iPhone from sleep mode or put it to sleep. When your iPhone is in sleep mode, the screen is dark, but it can still receive incoming calls, emails, messages, and notifications. By pressing and releasing the Sleep/Wake button, you can wake your iPhone and access the Lock screen, which provides basic information and limited functionality, such as checking notifications and recent app activity.
Additionally, the Sleep/Wake button can be used to lock your iPhone. On iPhone models with a Home button, you can press the Sleep/Wake button to lock the device when it is in use. On iPhone models without a Home button, such as the iPhone X and later, pressing the Sleep/Wake button once will turn off the display and lock the device.
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Pressing and releasing the Sleep/Wake button puts the iPhone to sleep or wakes it up
Pressing and releasing the Sleep/Wake button is a simple way to put your iPhone to sleep or wake it up. The Sleep/Wake button is located on the top edge of the iPhone SE, iPhone 5s, 5c, and 5, and on the right side of the iPhone 6 and later models. When your iPhone is inactive for about a minute, it automatically goes into standby mode, also known as Auto-Lock. During this time, your iPhone is still on and can receive incoming calls, emails, messages, and notifications.
To wake your iPhone from sleep, simply press and release the Sleep/Wake button. This will bring you to the Lock screen, where you can check notifications, recent app activity, and more. Alternatively, on the iPhone 6s and newer models, you can simply lift your iPhone or press the Home button to view the Lock screen.
If you want to adjust the Auto-Lock timing, you can do so by going to Settings > Display & Brightness > Auto-Lock. Here, you can set your iPhone to lock automatically after a shorter or longer period of inactivity.
Additionally, the Sleep/Wake button can be used to turn your iPhone on or off. To turn on your iPhone, press and hold the Sleep/Wake button until the Apple logo appears in the centre of the screen. After about 30 seconds, the Lock screen will appear, and you can swipe or enter your passcode to unlock your device. To turn off your iPhone, press and hold the Sleep/Wake button until the slider appears, then drag the slider to power off your device.
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The Sleep/Wake button is located on the top right of the iPhone
The Sleep/Wake button, also known as the Side button, is located on the top right of the iPhone. Pressing this button once will put your iPhone to sleep and lock it, which is useful if you want to put your phone in your pocket without accidentally making a call. You can also press it once to return to the Home screen at any time from any app.
Pressing and holding the Sleep/Wake button will shut down your iPhone. On iPhone models with a Home button, pressing and holding the Sleep/Wake button will bring up a red slider on the screen. You can then swipe your finger from left to right across the red bar to turn off your iPhone. If you change your mind, you can tap the Cancel button at the bottom of the screen.
To restart your iPhone, press and hold the Sleep/Wake button until the Apple logo appears on the screen. In normal use, you don't need to restart your iPhone regularly, but a weekly restart is proposed by some experts to keep your phone clear of issues.
The Sleep/Wake button can also be used to turn on Sleep Mode on your iPhone. Sleep Mode has a variety of features to help you get a better night's sleep, such as silencing notifications and enabling sleep detection with your Apple Watch. You can set a sleep schedule or turn Sleep Mode on and off manually.
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The iPhone automatically goes into standby mode after one minute of inactivity
The Sleep/Wake button on an iPhone is a handy feature that allows users to manually put their device to sleep or wake it up. The iPhone also automatically goes into standby mode after one minute of inactivity to save battery power and prevent accidental touches on the home screen. This auto-lock feature can be adjusted in the iPhone's settings, allowing users to extend the time before auto-lock to up to five minutes or even disable it altogether.
The Sleep/Wake button, also known as the Side button, is usually located on the right side of the iPhone. Pressing this button once wakes the iPhone and takes the user to the Lock Screen, where they can quickly check notifications, access the Control Center, or swipe left or right to access widgets or the camera. From the Lock Screen, users can also press the Home button to unlock the iPhone and access the Home Screen or the app they were previously using.
If the iPhone is locked, pressing the Sleep/Wake button once wakes it up in the same way as pressing the Home button. A double-press of the Home button opens the open apps carousel, allowing users to switch between apps. On newer iPhone models without a Home button, users swipe up from the bottom of the screen to close apps and access the Home Screen.
In addition to its role in manually putting the iPhone to sleep or waking it up, the Sleep/Wake button also plays a part in shutting down the device. To turn off the iPhone, users need to press and hold the Sleep/Wake button until the red slider appears on the screen. They can then drag the slider to the centre of the screen to confirm the action. To restart the iPhone, users press and hold the Sleep/Wake button until the Apple logo appears.
The Sleep/Wake button is a versatile tool that not only allows users to manually control the sleep and wake functions of their iPhone but also plays a role in locking and unlocking the device and even shutting it down. By adjusting the auto-lock settings, users can customise how quickly their iPhone goes into standby mode to suit their preferences and usage patterns.
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The Sleep/Wake button can be used to lock the iPhone
The Sleep/Wake button, also known as the On/Off button, is a versatile feature on your iPhone. It can be used to lock your iPhone, in addition to performing other functions. Here are some detailed instructions and insights into how the Sleep/Wake button can be used to lock your device:
Locking Your iPhone:
The Sleep/Wake button is primarily used to lock your iPhone screen, preventing accidental touches or unintended access. When you press the Sleep/Wake button once, your iPhone's screen will turn off, and the device will be locked. This is particularly useful if you want to quickly secure your iPhone without turning it off completely.
Automatic Locking:
Your iPhone is designed to automatically go into sleep mode and lock when you don't interact with the screen for a certain period. By default, this period is set to one minute, but you can adjust it to a longer duration or even set it to "never" lock in your iPhone's settings. To change the auto-lock duration, go to Settings -> General -> Auto-Lock, and select your preferred interval.
Double-Click Function:
The Sleep/Wake button also responds to a double-click action. When your iPhone is locked, double-clicking the Sleep/Wake button will open the apps carousel, allowing you to switch between different apps without fully unlocking the device. This feature is especially handy if you want to quickly switch between apps without having to unlock your iPhone each time.
Differentiating Sleep and Shutdown:
It's important to differentiate between putting your iPhone to sleep and shutting it down. Pressing the Sleep/Wake button once puts the device to sleep and locks the screen. On the other hand, shutting down the iPhone requires pressing and holding the Sleep/Wake button until the red slider appears. Then, you would need to drag the slider to the centre of the screen to turn off your iPhone completely.
Side Button on Newer iPhones:
On newer iPhone models without a Home button, the functions of the Sleep/Wake button are often integrated into the Side button. You can use the Side button to lock your iPhone, turn it off, or restart it. To turn off newer iPhones, press and hold the Side button along with either Volume button until the sliders appear.
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Frequently asked questions
The sleep/wake button on your iPhone is used to turn your phone on or off, or to wake it from sleep mode. On iPhone SE, iPhone 5s, iPhone 5c, and iPhone 5, the Sleep/Wake button is on the top edge. On iPhone 6s and later, you can lift the phone or press the Sleep/Wake or Home button to see the Lock screen.
To turn your iPhone on, press and hold the Sleep/Wake button until the Apple logo appears in the centre of the screen. After about 30 seconds, the Lock screen will appear. To turn your iPhone off, press and hold the Sleep/Wake button until the slider appears, then drag the slider.
Your iPhone is asleep when it is on but the screen is dark. It can still receive incoming calls, emails, messages, and notifications. When your iPhone is awake, the screen displays something, which could be the Lock screen, the Home screen, or an app screen.











































