Apple generally has excellent sleep support, even on my old falling-to-pieces unibody which would KP if you looked at it funny I don’t remember résume ever being a concern.
I’m not going to say their ever degrading software quality won’t affect that one day, and I know that some updates have caused issues for some people, but I genuinely can’t remember it ever failing me and not doing its job correctly.
Even my Steam Deck, with it's top down firmware and OS development regularly fails to suspend our freezes on resume.