Hello happy #linux users. I updated my laptop yesterday and 'systemctl hibernate' doesn't work anymore. Any tips?

Here is what happens systematically (obtained with 'journalctl -k') : "Wakeup event detected during hibernation, rolling back."

Jul 12 08:06:49 dodo kernel: PM: Image saving done
Jul 12 08:06:49 dodo kernel: PM: hibernation: Wrote 3166396 kbytes in 2.99 seconds (1058.99 MB/s)
Jul 12 08:06:49 dodo kernel: PM: S|
Jul 12 08:06:49 dodo kernel: printk: Suspending console(s) (use no_console_suspend to debug)
Jul 12 08:06:49 dodo kernel: PM: hibernation: Wakeup event detected during hibernation, rolling back.
Jul 12 08:06:49 dodo kernel: PM: hibernation: Basic memory bitmaps freed
Jul 12 08:06:49 dodo kernel: pci_bus 0000:03: Allocating resources
Jul 12 08:06:49 dodo kernel: pci_bus 0000:39: Allocating resources
Jul 12 08:06:49 dodo kernel: OOM killer enabled.
Jul 12 08:06:49 dodo kernel: Restarting tasks ... done.
Jul 12 08:06:49 dodo kernel: PM: hibernation: hibernation exit