Lenovo Legion Pro 7 Hibernation

I’m having trouble getting hibernation to work on my Lenovo Legion Pro 7 Laptop (model 16IRX9H) + KDE.

It hibernates and restores once. After the first restoration, it fails to hibernate a second time. Does anyone have any clues?

UPDATE: Related: Legion 16irx8h Sleep Issue · Issue #1043 · NixOS/nixos-hardware · GitHub