I have one app that needs to run several hours sometime.
Even with the power adapter plugged in my Mac goes into sleep mode after a bit and the app stops.
How can I set my Mac to stay awake when running certain apps?
MacBook Air (M4, 2025)
I use an app from the App Store called "Amphetamine".
It supports a whole host of options for keeping your Mac awake and alive, including options to do so when a specific app is running.
(I have no connection to the app or developer other than as a user. It's free by the way. No ads.
I use an app from the App Store called "Amphetamine".
It supports a whole host of options for keeping your Mac awake and alive, including options to do so when a specific app is running.
(I have no connection to the app or developer other than as a user. It's free by the way. No ads.
For greater control of the situation, the suggestion from @ KiltedTim is probable better
For occasional use
Terminal application
Type as per below
man caffeinate
There are variously options and switches that are available
caffeinate -s
Create an assertion to prevent the system from sleeping. This assertion is valid only when system is running on AC power.
caffeinate -i
Create an assertion to prevent the system from idle sleeping.
caffeinate -i make
caffeinate forks a process, execs "make" in it, and holds an assertion that prevents idle sleep as long as that process is running.
Glad to help!
Amphetamine is now installed and it works like a charm - Thanks!
How do I prevent sleep mode on Mac when running an app
