You’ve probably sat on one without even noticing. It looked like a normal bench, maybe a bit stylish, with polished metal armrests placed every couple of feet. But those armrests weren’t put there for your comfort. They were put there to make sure nobody could lie down and sleep. Yes, park benches explicitly designed to discourage homeless people from sleeping on them absolutely exist. It’s a practice widely referred to as hostile architecture or defensive design, and once you start looking for it, you’ll see it everywhere.
I first started paying attention to this when a friend who works in urban planning pointed it out mid-conversation on a city bench. We were sitting on a beautiful wooden seat in a newly renovated downtown park, and he said, “Notice anything odd?” I looked down. There was a heavy, curved metal armrest bolted right into the middle of the slats. It forced me to sit in a very specific, upright position. “That’s a sleeper deterrent,” he said. “If you remove the ability to stretch out, you remove the person who needs to stretch out.” It felt like a hidden language I’d been totally blind to.
The most common trick is the armrest bench. Instead of one long, uninterrupted seat, designers break the surface into segmented pods using fixed armrests—often made of cold steel or cast iron. Sometimes the armrests aren't even functional; they’re these aggressive, hump-like dividers that dig into your side if you try to lean across them. Another favorite is the slanted or curved bench. It might look like a sleek, sculptural piece of art, but the sitting surface is angled just enough that you’re constantly sliding forward and have to brace yourself with your legs. Try lying on that for more than a few minutes and you’ll end up on the ground. There are also benches with exposed bars or individual “perch” seats—narrow, rounded ledges you can half-lean on but certainly can’t recline across.
The designers and city councils who commission these benches don’t usually come right out and say, “We want to get rid of homeless people.” The official language is always coded. They’ll talk about “managing public space,” “preventing loitering,” or “enhancing cleanliness and safety.” They’ll argue a bench with a central armrest is just an “assisted seating design” to help elderly people stand up. While supportive armrests on the ends of benches are wonderfully helpful for people with mobility issues, it’s very telling when those armrests suddenly start appearing right down the entire length of a seat that was previously a flat surface. It’s a form of social sorting disguised as ergonomic innovation.
What hits me the hardest is the false neutrality of it all. A bench doesn't have an opinion, right? But design choices always encode values. A flat, armrest-free bench quietly says to anyone tired or without shelter, “Your presence, even in rest, is acknowledged.” A bench carved up by metal fins says, “You are only welcome here for a limited, pre-approved posture and duration.” It pushes the most vulnerable people further into the margins without ever having to speak a cruel word. It’s a way for a city to claim it has public seating while simultaneously ensuring that only certain kinds of “public” can actually use it in a humane way.
Of course, the pushback is growing. Activists and community groups have started mapping hostile architecture in cities around the world, photographing anti-sleep spikes, segregated armrests, and slanted surfaces. Some artists intervene by placing small pillows or blankets on hostile benches as a quiet act of protest. Others propose alternative designs—benches with lockable storage underneath for belongings, or convertible day-night seating that actually accommodates sleeping with dignity. Because the question isn’t really about benches. It’s about whether a city sees homelessness as a design problem to be pushed out of sight, or a human crisis that requires shelter, support, and compassion. Next time you see a beautifully sculpted bench that somehow doesn’t feel quite right to sit on, take a second look. That unease you feel might just be a deliberate blueprint telling someone else they don’t belong.