I'm trying to create a social/common area for my NPCs, so that they don't have to spend all their time hanging out in their bedrooms. Unfortunately, all my NPC housing to date has been apartment/hotel style and no one seems willing to leave their floor:
How should I instead construct my NPC housing so as to inspire them to mingle? I like the idea of having some kind of common room, but it's difficult to gather folks there if they're afraid of stairs.
Is there some way to get NPCs to travel up or down? (I'd prefer to avoid a sprawling, village-type layout.)
Update: Success! Based on Raven Dreamer's answer, I tried putting a single wood platform to split the difference between floors. Here's the merchant, having just bounced down: