A Murphy bed is the most space-efficient pick for a studio apartment when the bed must vanish daily, while a sofa bed wins for seating-first rooms and a daybed suits one sleeper who wants the simplest hybrid.
In a studio, the bed decides how the room lives. Every square foot it eats during daylight is floor you can’t walk through, work in, or set a coffee cup on. That single constraint sorts these three options faster than any mattress spec.
Here’s how they stack up on recovering floor space:
- Murphy bed: folds into the wall or a cabinet, freeing the entire floor footprint during the day. Best when the bed must disappear daily.
- Sofa bed: operates as a couch first, converts for sleeping. Best when the room should read as a living room.
- Daybed: reads as a sofa by day, sleeps one on a twin mattress. Simplest to set up, least versatile for two sleepers.
Which Option Frees The Most Floor Space?
A Murphy bed, also called a foldaway bed, is the strongest choice for maximum floor-space recovery because the whole sleep surface folds into the wall or cabinet, leaving the floor open. Nothing else in this trio gives back the full footprint every morning.
That advantage comes with the highest installation burden: a sofa bed and daybed simply sit in the room, while a Murphy bed must be attached to something structural and operated correctly.
To compare specific models and matched mattress sizes, a side-by-side roundup of tested beds for studio apartments shortens that search.
Is A Murphy Bed Safe In A Small Apartment?
Foldaway beds are generally safe when used properly, but can cause injury or death if not properly installed, secured, and maintained. Health Canada’s guidance on foldaway bed safety applies to any wall-bed style piece.
- Buy a bed with a locking feature or safety latch.
- Hire a professional to install it if possible.
- If installing yourself, follow every manufacturer instruction for assembly, installation, and maintenance.
- Anchor to wall studs or another structural component — not just drywall.
- Inspect regularly and stop using it if damaged.
- Keep toddlers and children clear during opening and closing; no jumping or playing on it.
Open and close carefully; a loaded Murphy bed is heavy, so don’t force it, ensure the mattress is properly supported, and get help if injured or struggling to move something heavy.
One compatibility gate: Murphy beds need a foam mattress. A spring mattress won’t work with the folding mechanism, and some frames specify a maximum mattress thickness. Confirm both with the manufacturer before buying.
How Do The Three Compare On Size And Footprint?
Mattress size and furniture footprint are different numbers. A daybed frame extends past the mattress, and a sofa bed’s closed depth and opened length matter as much as the sleep surface.
| Option | Typical Sleep Surface | Footprint Note |
|---|---|---|
| Murphy bed | Foam mattress in the frame’s specified size | Folds into wall; frees floor by day |
| Sofa bed (2-seater) | Varies by mechanism | Extended length roughly 190–200 cm |
| Sofa bed (3-seater) | Varies by mechanism | Extended length roughly 190–200 cm |
| Sofa bed (corner) | Varies by mechanism | Extended length roughly 190–200 cm |
| Daybed | Twin, 38 by 75 inches | Frame about 42–44 in wide, 78–82 in long |
| Oversized daybed | Twin XL, 38 by 80 inches | Less common; check the frame |
| Daybed (full option) | Full, 54 by 75 inches | Uncommon; confirm before buying |
A standard daybed frame runs 42 to 44 inches wide and 78 to 82 inches long because the backrest, arms, or posts stick out beyond the mattress. Measure frame depth, not just the mattress, and do the same for a sofa bed’s opened length.
The Mistakes That Cost Studio Dwellers Money
- Assuming any Murphy bed takes any mattress type or thickness.
- Skipping the anchor into structural components on a foldaway bed.
- Forgetting a daybed usually sleeps only one on twin-width space.
- Measuring mattress size but not a sofa bed’s opened footprint or a daybed’s frame depth.
- Ignoring wear, sticking latches, or damage on a folding bed.
Pick the Murphy bed when the floor must stay clear, the sofa bed when seating comes first, and the daybed when one person wants the easiest setup. Then verify the numbers before you buy.
FAQs
Can a Murphy bed use my existing mattress?
Often not. Murphy beds require a foam mattress, and spring mattresses don’t work with the folding mechanism. Some frames also specify a thickness limit. Measure your mattress and check the manufacturer’s requirements before buying, because one that’s too thick or too springy can prevent the bed from closing properly.
Do daybeds sleep two people comfortably?
Usually no. A standard daybed is built around a twin mattress, 38 by 75 inches, so it comfortably sleeps one adult. Oversized daybeds fitting twin XL or full mattresses exist but are less common. If you regularly host two sleepers, a sofa bed or Murphy bed serves better.
How much space does a sofa bed need when opened?
More than most people expect. Across two-seater, three-seater, and corner styles, the extended length typically lands around 190 to 200 centimeters, roughly six and a half feet. Account for that full opened footprint plus walking room before committing.
References & Sources
- Health Canada. “Foldaway Bed Safety.” Supports the installation, anchoring, locking-latch, and inspection guidance for Murphy-style beds.
- Dreams. “Sofa Bed Size Guide.” Source for folded and extended sofa bed dimensions by seating type.
- Dimensions.com. “Daybeds.” Source for standard daybed and twin mattress dimensions and frame sizing.

