How to stop Windows from sleeping with caffeine


Have you ever wished you could give your PC a cup of coffee to keep it in shape? Here’s how to use caffeine to keep a Windows PC from sleeping.

an image of a turned off computer screen

Caffeine is a free program and browser extension designed to keep your computer awake no matter what. The app is easy to use, lightweight, and can help you if you are having trouble locking or sleeping your PC.

As such, if you don’t want your PC to go to sleep and can’t access the PC’s power options to change its sleep settings, here’s how to keep it awake with Caffeine.

1. How to download and install caffeine

You can download the desktop version of Caffeine from Zhorn Software Website.

After downloading the ZIP file, extract the files anywhere on your computer and run the corresponding EXE file, depending on whether your system is 32-bit or 64-bit.

screenshot of caffeine executable files

Related: What’s the Difference Between 32-bit and 64-bit Windows?Caffeine is a fully portable app, which means you don’t need to install it on your PC for it to run. Once you run it, you will notice that the icon will appear on your toolbar.

Screenshot of the Caffeine browser icon

As for the desktop version of this program, that’s it. Your computer will now stay awake no matter how long you leave the system idle.

How to use the Caffeine browser extension

The Caffeine browser extension can be more useful if you are using a system where you cannot download and launch executables. Unfortunately, it’s only available for Google Chrome, but the browser extension can help keep your computer awake as long as Google Chrome is open.


To install it, get the browser extension from the Chrome Web Store.

a screenshot from the Chrome online store showing the caffeine app

Related: The Best Chrome Extensions Every Digital Worker Should UseYou will then be able to activate the Caffeine browser extension from the menu at the top right of Chrome.

Screenshot of the caffeine installed on Chrome

As long as Chrome is open, your computer never falls asleep.

Why use caffeine?

For most scenarios, the best way to prevent your system from going to sleep is to simply change Windows settings. However, depending on the system you are using, you may not be able to do this.

This may be due to the use of a work or school computer. These systems are often equipped with AFK screen locks to prevent inactivity.

Assuming you use caffeine responsibly, this can be a great way to keep your screen awake when you’re not using the keyboard or mouse.

Lightweight, easy and efficient

Caffeine does not require installation and can even be used on systems with restricted access to .exe files. It does exactly what it’s supposed to do and can be used if a drowsy computer is hampering your productivity.


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