I just learned how to caffeinate my Mac and now I'm never going back

We all need a little pick-me-up to get through the mid-afternoon slump. For some it's a walk in the sunshine, and for others it might be a double-shot latte, a white Monster, or another caffeinated beverage. While I wish a simple command to stay awake would do the trick on my brain fog, some kind of beverage is usually the only thing that does it.

Source : https://www.pocket-lint.com/how-to-keep-mac-awake-via-terminal-with-caffeinate/