I have a Thinkpad X1 Carbon running Ubuntu LTS that sleeps beautifully when I close the lid.

This replaced years of Dell and Asus models that kept trying to commit thermal suicide in my bag.

I’m only talking about window management getting messed up, not power management. My windows always go back to the correct position on the correct monitor with Sway. This was not the case with Gnome on X.

Although my experience also matches sibling’s when it comes to power management.

My experience is that if I dare to use Suspend/Sleep/Hibernation, everything janks up. Power management, window management, network management, anything and everything.

It's why I always either just idle or shut down if I'm not using a desktop/laptop, depending on the expected downtime. I'm going to hard reboot anyway because of how janked up everything would otherwise be, so I might as well save myself the "fast" boot up cycle that just wastes my time.

That must be very frustrating. I’m sure you’ve already tried to track down the culprit and it was in vain.

All I can say is that the ThinkPad + Sway combination seems solid even with suspend. I’m hoping you’ll find a fix too.

Well, my fix has been to disregard their very existence since it's clearly not worth my time.

Especially nowadays where computers boot off of SSDs, a full cold boot doesn't take more than several seconds anyway. There certainly was an argument back in ye olde HDD days.

That depends on your hardware; generations of thinkpads have Just Worked, and the best sleep I've ever seen was Linux on some random Lenovo laptop (it slept properly, and could wake faster than I opened the lid).