caffeinate

Prevent macOS from sleeping. More information: https://keith.github.io/xcode-man-pages/caffeinate.8.html.

• Prevent the display from sleeping:

caffeinate -d

• Prevent from sleeping for 1 hour (3600 seconds):

caffeinate -u -t {{3600}}

• Fork a process, exec "make" in it, and prevent sleep as long as that process is running:

caffeinate -i make

• Prevent from sleeping until a process with the specified PID completes:

caffeinate -w {{pid}}

• Prevent disk from sleeping (use <Ctrl c> to exit):

caffeinate -m