Download SLEEP!

Name: SLEEP!
Author: howtofly-lab

By: howtofly-lab Add-on

Download SLEEP! (current and past versions) for Firefox

Latest Version: 1.1 Updated: 3 years ago

Ready to install?

SLEEP! is available to install from Firefox Add-ons Store and for download from this page.

View source code

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Total downloads

Available versions

You can find the current and older versions of SLEEP! here. You can download the archived versions or inspect their source codes.

As a free user, you can download up to 3 latest versions.

Upgrade to download older versions

Version	Download	Size	Download count	Timestamp
1.1	XPI · ZIP · Source code	16.14KB	2	2023-06-06
1.0	XPI · ZIP · Source code	16.09KB	0	2023-06-01

2023-06-06 · 2 downloads

XPI ZIP Source code

2023-06-01 · 0 downloads

XPI ZIP Source code

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

Download the SLEEP! ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the SLEEP! ZIP file from step 1. SLEEP! is now installed on your browser.