How to Prevent Mac from Sleeping: 4 Methods to Try

"How can I prevent my MacBook from going into sleep mode during several hours of download?"

- A Question from Reddit.

Did Mac/MacBook go to sleep so fast? This post will introduce how to change Sleep Mode settings to prevent Mac from sleeping so fast.

How to Stop Your Mac from Sleeping

You can adjust settings related to the Sleep mode to stop your Mac from sleeping or keep your Mac running when the lid is closed. Below we'll guide you to change these settings together. Let's get started.

Change Energy Saver Settings

For most Macs/MacBooks, the quickest way to prevent your Mac from sleeping is to change the Energy Saver settings.

Here is how:

• For desktop Mac:

Go to Apple menu＞System Settings＞Energy Saver＞Enable Prevent automatic sleeping when the display is off.

• For MacBook Air/Pro:

Go to Apple menu＞System Settings＞Battery＞Options＞Prevent automatic sleeping on power adapter when the display is off.

Screenshot: macOS Sonoma 14.2 MacBook Pro

Change Lock Screen Settings

1. Go to Apple menu＞System Settings＞Lock Screen.
2. Set Start Screen Saver when inactive "Never".
3. Set Turn display off when inactive "Never".

Or if you just want to stop Mac from sleeping so fast, select a desired period rather than Never.

Turn Off Sleep Mode via Terminal

For users who are familiar with Terminal, you can prevent your Mac from sleeping by following the steps below:

1. Open Terminal: Launch Terminal via Spotlight.

2. Disable Sleep: To prevent your Mac from sleeping, enter the command sudo pmset -a disablesleep 1 and press Enter. You may need to enter your administrator password.

3. Enable Sleep: If you want to revert to the default sleep settings, enter the command sudo pmset -a disablesleep 0.

Set Mac Wake from Sleep When Sharing Resources

In the case that you want to stop your Mac from sleeping while sharing resources for a Mac, there is a smarter setting:

Set your computer to wake from sleep when other users access those resources.

• For macOS Sequoia, Sonoma, and Ventura:

1. Click on the Apple menu ➜ System Settings.
2. If using a MacBook, click on Battery in the sidebar ➜ click on Options ➜ Wake for network access.

• For macOS Monterey/Big Sur/Catalina/Mojave/High Sierra:

Click on the Apple menu ➜ System Preferences ➜ Energy Saver ➜ Wake for network access ➜ Uncheck Wake for network access.

Other Sleep Mode Related Settings

Besides preventing Mac from sleeping, there are many other sleep mode-related settings you may want to change.

Disable "Allow Bluetooth Devices to Wake this Computer"

On macOS Big Sur 11.0 and earlier, you can wake Mac using Bluetooth devices. If you don't want your Mac to wake from sleep with a Bluetooth keyboard or mouse, follow these steps:

• Click on the Apple menu ➜ System Preferences ➜ Bluetooth.
• Click on Details ➜ unselect Allow Bluetooth devices to wake this computer.

Conclusion

Are you clear about how to stop Mac from sleeping now? Go and practice these methods!