[Help] System auto shutdown without my intervention

I configured my pc with auto suspend. I’ve noticed several times now that when leaving overnight the pc is turned off in the morning. I’ve been trying unsuccessfully to figure out why.
The only thing I can confirm so far from journalctl is indeed it was shutdown around 1:34am

Jan 24 01:34:33 Legion5-15ACH6H systemd[780]: Reached target Shutdown.
Jan 24 01:34:33 Legion5-15ACH6H systemd[780]: Removed slice User Application Slice.
Jan 24 01:34:33 Legion5-15ACH6H systemd[780]: Closed D-Bus User Message Bus Socket.
Jan 24 01:34:33 Legion5-15ACH6H systemd[780]: Removed slice User Core Session Slice.
Jan 24 01:34:33 Legion5-15ACH6H systemd[780]: Stopped D-Bus User Message Bus.
Jan 24 01:34:33 Legion5-15ACH6H systemd[780]: Stopping D-Bus User Message Bus...
Jan 24 01:34:33 Legion5-15ACH6H dbus-broker[854]: Dispatched 420 messages @ 1(±3)μs / message.

What do I need to look at to figure out this issue, to know why this is happening ?