Spiders are ceiling ninjas. They drop from above because surprise attacks are their whole vibe. Look at the corners where your walls meet the ceiling. If you see a single dusty web, that’s a spider’s penthouse. Knock it down with a broom. Not a duster—a broom. Whack it with rage. The spider will relocate to your neighbor’s room (sorry, neighbor). Keep doing this weekly for a month, and they’ll get the message that your ceiling is no longer a real estate opportunity.
Also, check your light fixtures. I once found a spider living inside a lightbulb casing. I only noticed when I turned the light on and saw its shadow projected like a horror movie. Spider: 0, Tim: 1 (after a six-foot jump and three deep breaths).