Cheap Single Folding Bed

A cheap single folding bed is what you buy when guests show up twice a year and there’s no room (or budget) for a sleeper sofa. The good news: “cheap” here genuinely works, because these beds exist for occasional use and most people only need them occasionally. The catch is that “single folding bed” covers four very different products, and they sleep nothing alike.

The four types at a glance

Before comparing prices, know what you’re actually choosing between. Each type folds, sleeps one, and costs under about $300 — that’s where the similarities end.

Rollaway beds: the best all-rounder for adults

This is the metal frame that folds in half vertically and rolls into a closet — the one hotels use. It’s the only cheap folding option that gets an adult off the floor at real bed height, which matters more than it sounds for anyone over 40.

Comfort hinges on two things. First, the deck: cheaper rollaways use a wire trampoline base that sags, while better ones use wood or steel slats. Second, the fold — almost every rollaway puts a seam or bar across the middle, and a thin mattress won’t hide it. Most included mattresses run 3–5 inches of basic foam, which is fine for two or three nights but noticeably thin beyond that.

Check the weight rating before buying; many budget models list 275–300 lbs, which covers most adults but not all. Expect minor wobble on casters that don’t lock well — park it against a wall if the guest is a restless sleeper. You can browse rollaway beds with a mattress included and filter by deck type in the listings.

Tri-fold foam mattresses: the cheapest option that still works

A tri-fold is simply a foam slab cut into three panels with a zip cover. It unfolds on the floor, sleeps one, and slides under a bed or into a closet afterward. For kids’ sleepovers, visiting nieces and nephews, or an easygoing friend crashing for a weekend, it’s honestly all you need — spending more buys little extra comfort.

The limits are physical: a heavier adult’s hips can press straight through 4 inches of soft foam to the floor. Put it on carpet or a thick rug, or slide a plywood sheet underneath, and it improves noticeably. Foam also softens with use — expect maybe a year of regular sleeping before it packs down, longer if it’s only used occasionally. Seams between panels are visible and feelable, so don’t put it under someone with a picky back.

A twin tri-fold foam mattress typically runs $70–110. Don’t overpay — the cheap ones and the pricey ones are the same basic product.

Camping cots: only in specific situations

A cot is the cheapest way to get off the ground, but it sleeps like a drum: taut fabric, zero cushioning, narrow width. Every position change is a small event. The fabric also stretches and sags over time, joints squeak, and air circulates underneath — genuinely cold in an unheated spare room.

Buy a cot only if it doubles for actual camping, or if storage space is so tight that even a flat foam slab won’t fit. For indoor guests, a tri-fold on the floor usually sleeps better than a cot at the same price.

Fold-out ottomans and sleeper chairs: when it has to live in the room

These fold out of a small ottoman, bench, or armless chair — foam sections on a basic frame, sometimes with an adjustable backrest. The real product isn’t the bed; it’s the fact that it’s usable furniture the other 360 days a year. In a studio apartment where a sofa bed won’t fit or costs too much, a convertible ottoman bed is often the smartest compromise.

Know the trade-offs: sleeping surfaces are typically narrower than a twin (often around 28–30 inches), the foam is firm, and the seams between sections are felt as ridges. Legs on cheap units can feel flimsy — read reviews specifically for wobble complaints. It suits one guest for a night or three, not a week.

When spending more is actually worth it

If the bed gets used under roughly ten nights a year, buy cheap and stop thinking about it. The upgrade that pays for itself is different: a slat-deck rollaway around $180–250, plus a cheap twin mattress topper ($40–60). The topper does more for comfort than any difference between budget mattresses, and it hides the center fold that plagues every rollaway.

One honest caveat: if someone will sleep on this nightly — a kid in a small room, a family member staying long-term — a basic twin bed frame and real mattress often costs about the same as a mid-range rollaway and sleeps far better. Folding beds are a guest solution, not a bed replacement.

The quick version

• Parents or in-laws visiting a few nights a year: rollaway with a slat deck.
• Kids, sleepovers, broke college guests: tri-fold foam.
• It also needs to work as a camp bed: cot.
• Studio apartment, no closet space, it must look like furniture: ottoman sleeper.
• Nightly sleeper: skip folding beds entirely and get a real mattress.

FAQ

Can an adult sleep on a folding bed every night?

Not comfortably for long. Thin foam compresses within months of nightly use, and cot fabric sags. A rollaway can handle a few weeks of nightly sleeping in a pinch, but if it’s a permanent arrangement, a real twin mattress on a basic frame costs similar money.

How do I make a cheap folding bed more comfortable?

A mattress topper is the single biggest upgrade — it smooths seams and folds you can’t otherwise fix. For a tri-fold, put it on carpet or plywood. For a cot, a foam pad on top helps more than any cot upgrade.

Do folding beds need special sheets?

Standard twin sheets fit most rollaways and tri-folds, though fitted sheets may sit baggy on thinner mattresses. Ottoman beds are often narrower than twin — check the dimensions. For cots, skip sheets entirely and use a sleeping bag.

Are folding beds bad for your back?

There’s no strong evidence either way for short stays — a few nights on a firm, thin surface is uncomfortable at worst for most people. If a guest has ongoing back problems, prioritize the rollaway at real bed height, and anyone with persistent pain should ask a healthcare professional rather than a mattress review.