Proxmox shuts down (almost) every night

Hey guys,

Almost every night my proxmox kills every process on the computer. What i mean with this is that it seems like the computer is shutting down, but the power button keeps burning and i have tot force shutdown the computer before i can boot up again.

I am using a
Dell optiplex 3060
i5 8500
32 gb ram
intel UHD Graphics 630

This is my log output before shutting down:

Oct 19 04:05:44 prxmx kernel: EXT4-fs (loop1): unmounting filesystem e9b38ee5-b13c-4423-b57b-09666e4a7b11.
Oct 19...

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