Sleep function missing

[soundofthunder]

Regarding this:

@rehunn

System goes to dark screen as would be normal for “sleep” but instead loops back to the log in screen.

While we can obviously not offer anything definitive about this, without more actionable information from the OP (such as the inxi output requested several times), I will mention that I have experienced this myself on occasion.

If I impatiently perform an update from within the GUI (without having checked the list of packages to be updated), and then continue using the machine for a time, sometimes this happens; along with an inability to Logout, Restart or Shutdown via the (Plasma) GUI.

Now, I am not suggesting that this is either the cause of the OP’s issue, nor a solution to it. However, it is an opportunity to offer the following consideration for all that will entertain it:

[HowTo] Updating Manjaro as safely as possible

The golden rule — which nobody follows, of course — when using a rolling-release distribution…: Always apply the bundled updates by way of the command line in a tty while completely logged out of your graphical environment, so that no shared libraries will be in use that will be overwritten by the update process. The safest way even would be to cleanly reboot your system first before applying any updates, and to then switch to a tty and run the update process from there without logging into…