Joybuy Insights

Buying a sofa bed: how to compare sizes, sleeping functions and materials

A sofa bed combines seating and sleeping space in one piece of furniture. This is practical for small flats, apartments, student rooms, home offices or guest rooms. At the same time, sofa beds, folding sofas and pull-out sofas can differ significantly in sleeping area, seat height, storage space and operation.

If you choose based solely on colour or price, you will often overlook important details. Three common buying misconceptions are particularly relevant:

  • “3-in-1” does not automatically mean three equally valuable ways to use the product. Some models work as a sofa, lounger and bed, while others only offer an adjustable backrest.
  • The external dimensions say little about the actual sleeping area. A compact sofa may require considerably more space when extended.
  • Soft upholstery is not a reliable indicator of quality. Everyday usability also depends on the frame, suspension, foam, weight limit and care requirements of the cover.

These dimensions should be decided before buying

1. Sofa, sleeping and movement areas

Measure the available space, including door openings, radiators and walkways. When extended, a sofa bed with a sleeping function needs additional depth or length. At night, you should also leave at least a few centimetres of clearance from walls and other furniture.

For example, according to the product details, the vidaXL sofa measures approximately 122 × 70 × 55 cm when folded. As a floor bed, it reaches approximately 122 × 204 × 55 cm. The low seat height may be practical in some rooms, but it may be less suitable for getting up every day.

With a corner sofa with a bed function, the room layout also matters. Check whether the ottoman can be fitted on the left, right or either side. According to the product description, the PRESTIGE model by Lukmebel has an ottoman that can be positioned on either the left or right, and a sleeping area measuring 130 × 200 cm.

2. Mechanism and frequency of use

For occasional overnight stays, a simple folding sofa or floor sofa where the seat cushions are folded down is often sufficient. If you plan to use it frequently, a smooth-running pull-out or folding mechanism is advisable. Look for:

  • clear assembly and operating instructions,
  • a secure base when extended,
  • sufficient clearance from moving parts,
  • accessible handles or castors,
  • a sleeping area without uncomfortable hard joins.

A pull-out sofa with concealed castors can make conversion easier. According to the product description, the sleeping area of the Joyic 2-seater is pulled out using a handle. The model also has an adjustable backrest and side pockets.

3. Frame, upholstery and weight capacity

The construction should suit the intended use. Depending on their design, metal or wooden frames can offer different levels of stability. The weight limit specified by the manufacturer is crucial. This does not always refer to the entire piece of furniture: for example, the vidaXL model is specified as supporting 110 kg per seat, while the SONNI sofa has a stated weight limit of 280 kg.

Upholstery may include foam, T30 foam, wave springs or pocket springs. These terms describe the construction, but alone they do not guarantee a particular lifespan. If the information is unclear, ask about seat height, upholstery density, suspension and the availability of spare parts.

Assess the cover and care requirements realistically

A grey sofa bed works well with many interior styles and often shows minor colour changes less noticeably than very light covers. However, the fabric’s texture and care requirements are more important than its colour description.

  • Corduroy sofa beds have a ribbed surface. Dust and crumbs can collect in the grooves, so regular vacuuming is advisable.
  • Velvet sofa beds have a smooth, soft appearance, but may show different shades depending on the light.
  • Polyester, chenille or cotton blends should be treated according to the care instructions provided by the relevant manufacturer.
  • Remove stains locally wherever possible, using a suitable mild cleaning product. Do not saturate the upholstery unless the manufacturer recommends a different care method.

A stated abrasion rating can provide a useful indication. According to the product description, the PRESTIGE model in grey corduroy has an abrasion resistance of more than 35,000 Martindale cycles. This figure applies to the covering fabric and does not automatically indicate the durability of the frame, seams or sofa as a whole.

Our selection by living situation and usage profile

Suitable for: Budget-conscious first-time buyers
vidaXL 124x71x78cm 2-Seater Convertible Sofa Bed

vidaXL 124x71x78cm 2-Seater Convertible Sofa Bed

Why this product suits this profile: The compact floor sofa is designed for small rooms, studios or occasional overnight stays. According to the product description, it is converted by folding down the seat cushions.

How this product avoids the pitfall

The product details list the sofa and bed dimensions separately. This makes it easier to assess the required space before buying.

Main benefit & strengths

Metal frame, foam upholstery, dark grey polyester velvet and a maximum load of 110 kg per seat according to the product description.

Suitable for: Buyers with high quality expectations
PRESTIGE Corner Sofa with Sleeping Function in Grey Corduroy

PRESTIGE Corner Sofa with Sleeping Function, Grey Corduroy Cover

Why this product suits this profile: The L-shape provides seating for the living area and a specified sleeping area measuring 200 × 130 cm. According to the product details, the ottoman can be fitted on the left or right.

How this product avoids the pitfall

The construction, sleeping area, sleeping direction and storage space are listed in the technical details rather than being described solely with design terminology.

Main benefit & strengths

Wave springs and T30 foam, storage space, a freestanding back, two back cushions and a stated 24-month warranty.

Suitable for: Specific uses & frequent users
URBAN MEUBLE Velvet Daybed 90x200 cm with Storage

URBAN MEUBLE Velvet Daybed 90 × 200 cm

Why this product suits this profile: The daybed can be used as a single bed, reading spot or sofa bed for guests, children’s rooms and teenagers’ rooms. According to the product description, the hydraulically assisted slatted base provides storage space for bed linen or other items.

How this product avoids the pitfall

The storage space is described as a specific function. The external dimensions, number of packages and assembly requirements are also stated.

Main benefit & strengths

90 × 200 cm sleeping area, iron frame, wooden slats, hydraulic storage space, plus an integrated USB-C charging socket and reading light according to the product description.

Suitable for: Small flats and flexible room planning
Joyic 2-Seater Sofa Bed 3-in-1 in Grey

Joyic 2-Seater Sofa Bed, 3-in-1, Grey

Why this product suits this profile: Measuring 132 × 90 × 88 cm as a sofa and 184 × 132 × 45 cm as a bed, this model is suitable for apartments, guest rooms or a multifunctional home office.

How this product avoids the pitfall

The actual dimensions in both positions and the weight limit of up to 360 kg are listed separately in the product details.

Main benefit & strengths

Continuously adjustable backrest, corduroy cover, high-density foam and side pockets according to the product description.

Looking for more options?

We have put together a complete, regularly updated list of products that fully meet these strict selection criteria and the safety regulations applicable in the EU.

Buying checklist for the right sofa bed

Check the following before placing your order:

  1. Will the sofa fit in the intended room in both seating and sleeping modes?
  2. Is the sleeping area large enough for the planned number of people?
  3. How is the sleeping function operated, and does the mechanism remain accessible?
  4. What weight limit applies per seat or to the furniture as a whole?
  5. Is the cover suitable for children, pets or frequent use?
  6. Are there sofa beds with storage, removable covers or side pockets?
  7. Will the furniture be delivered in one package or several?
  8. Are the assembly, returns and warranty terms clearly stated?

A small sofa bed may be sufficient for occasional guests. However, if you plan to sleep on it regularly, you should give greater priority to the sleeping area, suspension and conversion mechanism than to an especially compact design.

Frequently asked questions about sofa beds

How much space does a sofa bed need when extended?

This depends on the mechanism and sleeping area. Measure the sofa and bed positions separately, and allow additional space for movement. With corner sofas, you also need to take the position of the ottoman into account.

How long does a sofa bed last?

There is no reliable way to give a general lifespan. It depends on how intensively it is used, the load, frame, upholstery construction, mechanism and care. Manufacturer information on the warranty, materials and weight capacity provides better guidance than general marketing claims.

Is a sofa bed suitable for everyday sleeping?

Not every model is designed for this. Check whether the manufacturer describes it as suitable for regular use, how level the sleeping area is and whether a suitable mattress or topper can be used. For occasional overnight stays by guests, simple folding or pull-out models may be sufficient.