Prevent Mac From Sleeping By Disable/Adjust Auto Sleep Time on Your Mac in 2022

Last Updated on Jan 11, 2022

Adjust auto sleep time on Mac OS X, Most of the folks are wondering about why I make auto-sleep or showing a black screen when he/she does not continuously access Mac for a few minutes. in a technical manner, we can say it’s the power-saving mode or auto logoff for the security reason. Most of the people affecting due to apple gave limited time for auto turn off the screen (About 10 to 13 minutes) by default. But we can vary this time from the Mac OS X system preference settings. Here I discussed how to Disable or Enable auto-sleep display or auto logoff time duration on Mac OS X With the latest macOS. This setting will be resettings every time after to clean install or Downgrade macOS version. 

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After sleep desktop or MacBook screen, your system process will be continued in the background. But you can manage all the settings that you want, throughout the below way.

Note: The Power solution go-ahead by keeping Portable External Macbook Charger. If you wish to save battery on your MacBook then Enable Low Power mode on MacBook.

Steps for Adjusting Auto Sleep Time on Mac, MacBook Pro/Air, iMac, Mac Mini Display 

Option 1: Schedule Startup Or Wake and Sleep Time on Mac, MacBook: Monterey

It seems like Apple has put a lot of effort into developing small features, but in reality, settings like this have a huge impact on our life. Auto Sleep and Wake for Mac, MacBook is enhanced and more customizable with the options to schedule Startup/Wake and Sleep Time in macOS Monterey or newer.

You can set the days and time for the Startup/Wake as well as the same for Sleep, so even if you’re out and forget to turn off the laptop, the system will automatically turn off the MacBook without any manual intervention on schedule time.

  1. Click on the Apple menu from the top bar.
  2. Select System Preferences.
  3. At the end of the screen, click on Energy Saver.
  4. Next up, click on Schedule in the left sidebar.enable-startup-or-wake-and-sleep-on-mac-settings
  5. Now select Startup or wake, and from the dropdown, choose days and then the time at which you want Mac to start up or wake.set-startup-or-wake-time-for-mac-schedule
  6. After that, click on Sleep, and set the day and time to let Mac sleep automatically in your given time.sleep-restart-or-shutdown-your-mac-on-schedule
  7. That’s it.

Option 2: Prevent Mac From Sleeping Monterey, macOS Big Sur, Catalina, or earlier

  1. Go to the Apple Menu,
  2. Click on System preference.
Energy Saver option on Mac System preferences
Energy Saver option on Mac System preferences

Step 2: Next, Click on Energy Sever.

Using System preference set energy saving time

Step 3: Slide to the left to right to increase auto sleep time on Mac or MacBook.

If you are a beginner and a little bit confuse about the wrong settings, that causing the issue double, then First Click on Restore Defaults, after that Make known customization.

The alert message will appear on the screen, Click on Ok for a set time.

Many other options related to power saving are present there, You can enable prefer option as of your usage and requirements.

Way to Adjust auto sleep time on Mac

if you want to know what is current time duration set on your Mac, just Open terminal from Spotlight, and past the below command line, the result has been displayed in below image,

sudo systemsetup -getcomputersleep

adjust auto sleep time on Mac OS X Yosemite and Mavericks

Can’t able to set the time using the above steps, Past below command in a terminal, Below example 45 is minutes

sudo systemsetup -setcomputersleep 45

disable or never set auto sleep time on Mac

sudo systemsetup -setcomputersleep never

Less time duration more convenient for saving power when the mac is not in use. So set to try in normal duration, not longer time by adjusting auto sleep time on Mac – MacBook Pro, MacBook Air, iMac Pro.

1 Comment
  1. Even under Sierra it is possible to have a different time for computer and display sleep:

    sudo systemsetup -getcomputersleep
    sudo systemsetup -getdisplaysleep

    sudo systemsetup -setdisplaysleep 10

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