Joybuy Insights

Buying a sofa bed: what to consider when it comes to size, sleeping function and materials

A sofa bed should work as a seat during the day and, when needed, provide a suitable sleeping surface for guests or everyday use. But in small flats, guest rooms and student accommodation, design isn’t the only thing that matters. Size, conversion mechanism, upholstery, weight capacity and available storage are all important.

Common sofa bed buying mistakes

1. A ‘sleeping function’ doesn’t automatically mean a comfortable sleeping surface

Sofa beds vary considerably. Some simply convert into a bed by folding down the backrest, while others have a pull-out mechanism or a separate sleeping surface. So make sure you check:

  • What are the actual dimensions of the sleeping surface?
  • Are there noticeable joins between the upholstered sections when the bed is pulled out?
  • Can the sofa be converted without much effort?
  • Is the sleeping surface intended for occasional overnight stays or frequent use?

An extendable sofa with clearly stated dimensions is easier to assess than a model described only in general terms such as ‘spacious’ or ‘multifunctional’.

2. Large sofas are often underestimated

A corner sofa bed can provide plenty of seating and sleeping space, but it needs enough room for the chaise section and the pull-out bed. Don’t just measure the width of the wall. Also check:

  • Doorway and stairwell widths
  • Distance from the coffee table, radiators and cupboards
  • Space needed to pull out the bed
  • Space to move around in front of the sofa
  • Position of the chaise on an L-shaped model

A modular sofa can give you more flexibility when arranging your room. Even so, check before buying whether the modules can be placed on the left, on the right or anywhere in the room.

3. Material descriptions are no substitute for care instructions

Corduroy, chenille, velvet and polyester differ in feel, cleaning requirements and how visibly they wear. A corduroy or chenille sofa bed may have a more textured look, while crumbs and pet hair show up differently on smooth fabrics. Check:

  • The fabric’s composition
  • Whether the covers are removable
  • Which cleaning products are suitable
  • Advice on direct sunlight
  • How to protect the fabric from sharp objects and pet claws

Treat product descriptions such as ‘hard-wearing’ as a general guide. Specific care instructions, details of the construction and a clear weight capacity are more useful.

The key things to consider when buying

Size and sleeping surface

A 2-seater sofa bed is often a good choice for smaller rooms. However, the seat width may differ considerably from the width of the sleeping surface. Compact dimensions are often enough for occasional guests; if the sofa will be used regularly, length, width and sleeping height are particularly important.

Corner models offer more space. One example is a GTIMEX corner sofa with a stated overall width of 258.5 cm, a depth of 160 cm and a sleeping surface of 183.5 × 258.5 cm. Always check dimensions against your floor plan.

Upholstery, frame and weight capacity

The upholstery affects how the sofa feels to sit on, while the frame and base determine its stability. Terms such as ‘high-density foam’, ‘memory foam’ and ‘pocket springs’ describe the construction, but don’t by themselves guarantee a particular level of durability.

Check:

  • Type and thickness of the foam
  • Whether it has a spring core or an all-foam construction
  • Frame material
  • Maximum total weight or weight per seat
  • Whether it’s intended for everyday or occasional use

According to the product details, the Joyic 2-seater model has a maximum weight capacity of 360 kg. The vidaXL floor sofa is listed as supporting 110 kg per seat in the product description. These figures apply to the respective products and shouldn’t be exceeded.

Storage and extra features

A sofa bed with storage or a guest sofa bed with storage can hold bedding, cushions and blankets. Check whether the storage compartment is accessed using a hydraulic mechanism, by folding it open or through a separate lid.

Extra features such as USB ports, reading lights and storage pockets can be useful in a guest room or teenager’s bedroom. However, they shouldn’t take priority over the essentials: a sturdy construction, suitable dimensions and easy access.

Our picks for different needs

Ideal for: Budget-conscious first-time buyers
A 2-Seater Sofa Bed with Wide Armrests, 2 Cushions, and High-Density Foam, Suitable for the Living Room, White

A 2-Seater Sofa Bed with Wide Armrests

Why this product suits this profile: This compact 2-seater is designed for living rooms with limited space and occasional overnight guests. According to the product details, it seats up to three people and arrives fully assembled.

How this product avoids the pitfall

The stated conversion into a temporary double bed and the product’s specific dimensions make it easier to plan your space than relying on vague promises of comfort.

Key benefits and strengths

Upholstery thickness of 38 cm, two cushions and no tools required for assembly, according to the product description.

Ideal for: Buyers with high quality standards
GTIMEX Corner Sofa with Spring Core, 258.5 cm, Grey

GTIMEX Corner Sofa Bed with Pocket Springs

Why this product suits this profile: This large corner model is designed for households looking for generous seating and sleeping space, along with a structured upholstery construction.

How this product avoids the pitfall

Pocket springs are listed as a specific feature, and the overall dimensions and sleeping surface are also provided. This makes it easier to check how much space you’ll need before buying.

Key benefits and strengths

258.5 cm wide, a 183.5 × 258.5 cm sleeping surface and a 24-month guarantee, according to the product details.

Ideal for: Specific uses and frequent use
GTIMEX L-Shaped Couch Bed with Sleeper Function, Corduroy

GTIMEX L-Shaped Sofa Bed with Corduroy Upholstery

Why this product suits this profile: This modular sofa bed is designed for larger living rooms, changing room layouts and households where it will see frequent use.

How this product avoids the pitfall

Its modular design and stated dimensions of 250 × 170 × 76 cm make it easier to plan where to put it. The corduroy upholstery also comes with care and use instructions.

Key benefits and strengths

Modular sections that can be combined, a seat depth of 65 cm and a static weight capacity of 540 kg, according to the product details.

Ideal for: Small rooms and teenagers’ bedrooms
URBAN MEUBLE Velvet Daybed 90 × 200 cm with Storage

URBAN MEUBLE Daybed 90 × 200 cm with Storage

Why this product suits this profile: This compact daybed combines a fixed single sleeping surface with storage, a USB-C port and a reading light. It’s especially well suited to teenagers’ bedrooms, guest rooms and small flats.

How this product avoids the pitfall

The dimensions make it clear that this can be used as a single bed. The storage compartment, intended for bedding or other items, is accessed via a hydraulic lift-up slatted base.

Key benefits and strengths

A 90 × 200 cm sleeping surface, storage beneath the slatted base, plus a USB-C port and reading light, according to the product description.

Looking for more options?

We’ve put together a complete, regularly updated list of products that meet these strict selection criteria and fully comply with the safety regulations in force in the EU.

Sofa bed FAQs

How long does a sofa bed last?

Its lifespan depends on the frame, upholstery, mechanism, weight load and care. With everyday use, the pull-out mechanism, hinges and seat are put under more strain than they are when the sofa is used for occasional overnight stays. Check the screws, feet and moving parts regularly. Without consistent standardised durability information, it’s not possible to give a general lifespan.

Is a sofa bed suitable for everyday sleeping?

That depends on its construction and sleeping surface. Look for a surface that’s as level as possible, suitable dimensions and upholstery designed for frequent use. A basic guest sofa bed may be fine for a few nights, while a sturdily built sofa bed may be better suited to more regular use.

How much space does an extendable sofa need?

As well as the space it takes up when folded, you’ll need room for the entire pull-out or fold-out bed. Use masking tape to mark out the sofa’s external dimensions and the extended sleeping surface on the floor. This will help you check before buying that doors, radiators and walkways will remain clear. For a corner sofa bed, also take both sections and the position of the chaise into account.