Joybuy Insights

Buying a sofa bed: what to consider for comfort, bed function and space

A sofa bed combines seating and a place to sleep in one piece of furniture. It’s particularly practical for small flats, guest rooms, student accommodation and multi-purpose spaces. However, sofa bed models can vary considerably in sleeping area, mechanism, upholstery and storage.

If you focus only on colour and price, it’s easy to overlook important details. Here are three common buying mistakes:

  • A “bed function” doesn’t automatically mean a suitable sleeping surface: Some sofas simply fold down and offer limited space for one person.
  • Soft upholstery is mistaken for lasting comfort: A very soft seat can lose its shape more quickly with everyday use. The upholstery construction, density and frame are what matter.
  • Compact dimensions apply only when the sofa is folded away: Before buying, check the depth when unfolded, the distance from walls and the space needed to move around it.

Dimensions and features to check before you buy

1. Sleeping area and space required

With a 2-seater sofa bed, the seat width doesn’t necessarily correspond to the sleeping area. So check the manufacturer’s specific measurements:

  • Sleeping area width and length
  • Seat height and depth
  • Dimensions when unfolded
  • Distance from radiators, doors and cupboards
  • Weight capacity, including the intended users

A more compact sofa is often enough for the occasional overnight stay. A sofa bed for guests, on the other hand, should offer a clearly specified sleeping area and an easy-to-use conversion mechanism. If space is always at a premium, a space-saving sofa, a folding sofa or a day bed may be a better fit than a large corner model.

2. Upholstery, cover and frame

The upholstery affects both sitting and sleeping comfort. Claims such as “high-density foam” should ideally be supported by further details, such as the upholstery thickness or material construction. A higher foam density may indicate a more shape-retaining structure, but it’s no substitute for checking the manufacturer’s specific information.

Also look for:

  • a sturdy frame,
  • even upholstery with no hard transitions,
  • a durable folding or pull-out mechanism,
  • removable or easy-to-clean covers,
  • fabric details such as abrasion resistance and care instructions.

The mechanism is especially important in a sofa with a bed function. If possible, check that you can convert the furniture without much effort and that it creates as level a surface as possible when unfolded.

3. Assess additional features realistically

A sofa bed with storage can hold bedding, blankets or cushions, helping you save extra cupboard space. If you’re considering a day bed with a hydraulic lift mechanism, check how much of the storage space is actually usable and whether you’ll be able to access it easily in your room.

Other features, such as adjustable backrests, a USB-C port or integrated reading lights, can be useful. But they shouldn’t distract from the essentials: suitable dimensions, a sturdy construction and a sleeping area that’s right for its intended use.

Our picks for different living situations

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 2-seater model is well suited to living spaces where you occasionally need an extra place to sleep. According to the product description, it converts into a temporary double bed and is supplied without the need for assembly tools.

How this product avoids the pitfall

The product description clearly specifies the conversion function and a weight capacity of up to 250 kg. After unpacking, the sofa should be left to rest for 72 hours so it can regain its full shape.

Main benefits and strengths

Generous upholstery with a stated thickness of 38 cm, two cushions and wide armrests.

Ideal for: Buyers with high quality expectations
GTIMEX corner sofa bed with sleep function, blue

GTIMEX corner sofa with bed function, blue

Why this product suits this profile: This modular corner sofa is designed for households looking for a flexible layout in their living space. According to the product description, the individual modules can be arranged in a straight line, an L-shape or a corner configuration.

How this product avoids the pitfall

The flexible modular design reduces the risk of being limited to just one room layout. According to the product description, the chenille cover is hard-wearing and easy to care for.

Main benefits and strengths

Five cushions that can be positioned individually, plus a modular design to suit different room layouts.

Ideal for: Specific uses and frequent use
URBAN MEUBLE Velvet Daybed 90x200cm with Hydraulic Storage, USB-C Charging & Reading Light, Grey

URBAN MEUBLE Velvet Daybed 90 × 200 cm

Why this product suits this profile: This day bed is suitable for children’s and teenagers’ rooms, guest rooms or spaces used as seating and reading areas during the day. Its hydraulic lift-up storage offers extra room for belongings.

How this product avoids the pitfall

The product dimensions are listed as 213 × 98 × 70,5 cm, and the sleeping area measures 90 × 200 cm. This makes it easier to check before buying whether the bed will fit in your chosen room.

Main benefits and strengths

Hydraulic storage, a USB-C port and an integrated reading light; delivered in two parcels.

Ideal for: Small flats and flexible use
COMHOMA Folding Floor Sofa, 3-in-1 Sofa Bed with 6-Level Adjustable Backrest

COMHOMA folding 3-in-1 sofa with six backrest positions

Why this product suits this profile: Measuring 90 × 53 × 57 cm and weighing a stated 9 kg, this folding sofa is suitable for flats, halls of residence, home office spaces or occasional trips away.

How this product avoids the pitfall

The six adjustable backrest positions make it clear which settings are available. The removable cover makes everyday care easier.

Main benefits and strengths

Three ways to use it, six backrest positions and two lumbar cushions included.

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 much space does a sofa bed need when unfolded?

You’ll need extra room to move around as well as space for the sleeping area. Measure the maximum depth of the unfolded sofa and leave a clear passage to doors, cupboards and windows. In a small flat, a folding sofa or a narrow day bed may be easier to fit in.

How long does a sofa bed last?

Its lifespan depends on how often it’s used, the users’ body weight, the upholstery quality, the frame and the mechanism. If it will be used for sleeping regularly, pay particular attention to a sturdy frame and a sleeping area suited to that level of use. A simpler conversion mechanism may be enough for occasional guests.

Does a sofa bed with extra features use more electricity?

A mechanical sofa bed doesn’t need electricity for its bed function. Models with a USB-C port or reading light only use electricity when these features are plugged in or switched on. Before buying, check whether the extra features can be operated independently and whether there’s a socket nearby.