A short reset after the guests have gone
Put away what needs attention and leave the decorative rearranging for another time.
After a gathering, the room often contains two different kinds of disorder: things that need prompt attention and things that can wait. Food, spills and fragile borrowed pieces belong to the first group. Straightening every cushion and restoring a perfect shelf display usually belongs to the second. Keeping those groups separate makes the end of the evening less exhausting.
Handle food and drink according to their storage and safety needs, then clear the routes through the room. A bag of recycling beside a doorway or a borrowed chair left at an awkward angle can be more troublesome in the morning than a few folded napkins on the table. Return sharp or breakable items to appropriate storage rather than leaving them in a mixed pile.
Check the surfaces where glasses stood. Follow the care instructions for the material when dealing with spills, and do not leave wet cloths or mats resting against wood. Extinguish any candles and make sure portable equipment is off as appropriate. These small checks are worth doing before the room goes dark.
Gather table textiles separately from clean items. Look for napkin rings, small decorations and cutlery before carrying the fabric to the laundry. Treat stains only with a method suitable for the particular fabric and label; a tired late-night experiment with a strong cleaner can make a small mark worse.
Leave yourself a clear starting point. One empty section of counter is more helpful than several half-cleared surfaces. Put items that belong elsewhere into a contained group, without blocking a walkway, so they can be returned in one pass the next day.
The final reset is not a performance. If the perishable food is stored, spills are addressed and the room is safe to walk through, the rest can be ordinary morning work. A useful gathering should not require its host to erase every sign of it before going to bed.