They revamped the entire food system, and provided many more food options to "adjust" your stamina pool, If you are going to do things that are going to require more stamina.

It's still very much a stamina-management game, so if you are one to mash the run button and jump around, you are going to be in deep trouble when the enemies inevitably show up.

Rested bonus is still the same, except for recently fixing the unintended "stacked rested bonus" (for multiple rugs). It's still the same exact bonus as it always was, and the number of comfort items still only determines the length of time the bonus lasts, before needing to be re-applied.