![]() You can also end the command with -s, -d, or -m instead: Adding “ -i” to the end of the command prevents your Mac from idle sleeping. The caffeinate command also lets you specify which parts of your Mac stay awake. To attach the Caffeinate command to an already-running Terminal command, just add the running command to the end of the Caffeinate command within Terminal. Replace 4000 with the amount of time in seconds that you want your Mac to stay awake. It will look something like this: caffeinate -t 4000 To add a timer to the Caffeinate command, just add how much time (in seconds) you’d like your Mac to be awake for to the end of a command. There are two other ways to run the Caffeinate command as well: timed or until the end of an already-running Terminal command. ![]() If you run the command this way, your Mac will stay awake until you close the Terminal window-this way, you don’t need to remember to re-enter a command to make your Mac return to its normal sleeping habits. Using Terminal To Prevent Your Mac From Sleepingįirst, launch the Terminal app (in the Utilities folder) and type in caffeinate Sure, there are third-party apps that can do this for you, but what if there was a quick and easy Terminal command that would prevent your Mac from sleeping instead? Good news: There is. Normally, this requires you to change your Mac’s sleep settings within System Preferences, and although this is easy enough to do, it can be tedious if you have to do said task multiple times throughout the day. Hint: the core is usually located in /Contents/MacOS/.įor more fine-tunning, there’s some spcific flags that you can use with caffeinate.Sometimes you need to run tasks that require your Mac to stay awake for long periods of time. To do this you will have to right click on the app inside the /Applications/ folder, and select Show Package Contents and drag-and-drop the core of the app inside the terminal to get its path ( so you don’t have to type it ). For example, you might want to prevent your Mac from going to sleep while you export a video.Īll you have to do is type caffeinate path_to_the_core_of_the_app. You can also target a specific application. For example, if you want to prevent your Mac from going to sleep for an hour you will type in caffeinate -t 3600.Ĭhange the timer ( in this example is 3600 ) to whatever you need. You can also set a sleep timer to caffeinate. To stop it you will need to kill the process with ctrl+ c while inside the Terminal. You can check if it’s running, using bpytop which can be installed via Homebrew.ĪLSO READ HOW TO: Background and Foreground Processes If you run the command by itself, you will prevent your Mac from going to sleep as long as the command is active. To prevent your Mac from going to sleep using the built-in caffeinate app, all you have to do is to open up the Terminal, type caffeinate and press enter. You can follow the same steps using an older Mac running an older version of macOS. NOTE: you don’t need an M1 Mac running macOS Monterey for caffeinate to work. How to use caffeinate to prevent your Mac from going to sleep ![]() Even a complete noob can use caffeinate. And it completely eliminates the need to install yet another app. What were the chances, right?ĭon’t worry about the command line part though. It’s a command line program called caffeinate. And it’s been available for the last 10 years or so. What some macOS users don’t know, is that this functionality is built-in into macOS. There is Caffeine which is a free popular option, but there’s also paid options. When it comes to preventing your Mac from going to sleep, most macOS users immediately think of an app. And changing the settings back and forth can be annoying. Of course, you can also fine-tune this feature in System Preferences > Battery.īut there are times when you might only want to prevent your Mac from sleeping until a certain task is completed. You can prevent your M1 or M2 Mac running macOS Monterey from going to sleep with a built-in tool. Computers go to sleep as a way to save energy and prevent unnecessary wear on your hardware.
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