Lubuntu 19.04 on an HP laptop. Here, hopefully, is some relevant info:

$ ps aux | grep suspend
      7545  0.0  0.0   8856   904 pts/0    S+   14:31   0:00 grep --color=auto suspend
$ cat /sys/bus/usb/devices/*/power/wakeup

No Bluetooth, no external devices. Many thanks in advance for any advice!

  • 1
    I have used devices that require me to 'quick' & 'careful' in suspending, as any movement/touch of touchpad can cause what you describe if touched before suspend actually occurs. The same accidental-touch on other devices does nothing I've taken it as a quirk to those few devices that act that way. In my case I just learnt & got in the habit of suspending without having finger near touchpad. – guiverc Oct 3 at 22:29

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