Joybuy Insights

Buying a Sofa Bed: What Really Matters About the Bed Function, Dimensions and Cover

A sofa bed should provide comfortable seating during the day and serve as a bed when needed. In small flats, guest rooms, student accommodation or home offices, a sofa that converts into a bed can save valuable space. At the same time, unclear dimensions, unreliable mechanisms or delicate covers often lead to disappointing purchases.

Common pitfalls when buying a sofa bed

1. Confusing the sleeping area with the floor space

A description such as “for three people” does not automatically indicate the size of the sleeping area. The key factor is the furniture’s dimensions when unfolded. A sofa may look compact in everyday use but require considerably more room when converted into a bed.

Before buying, you should therefore check:

  • width, depth and height in seating mode
  • dimensions of the sleeping area
  • additional space required for pulling out or folding down the bed
  • clearance from coffee tables, radiators, doors and cupboards
  • the route through stairwells, hallways and doorways

2. Equating adjustability with a fully functional bed

A sofa with an adjustable backrest can be positioned for reclining. This is practical for reading, watching television or occasional overnight stays. However, an adjustable backrest does not automatically replace a continuous, level mattress surface.

Pay attention to the specific construction: does the backrest fold down, does the seat pull out, or is the sleeping area created from several elements? Depending on the design, there may be joins or differences in cushion height.

3. Material claims are incomplete without care instructions

Terms such as velvet, chenille or linen-look fabric reveal little about how suitable a material is for everyday use. For families and households with pets, removable covers, clear cleaning instructions and sturdy construction are particularly important. An easy-care chenille cover can make cleaning simpler, but it should still be treated in accordance with the manufacturer’s instructions.

Compare these buying criteria

Sleeping area and room planning

For a space-saving guest bed, the usable width is just as important as the length. With a corner sofa bed or corner sofa with a sleeping function, you should also establish which side the ottoman is positioned on. An ottoman that can be used on either side offers greater flexibility when arranging the room.

Measure the intended floor space with a tape measure and mark the unfolded area on the floor. This will show you at an early stage whether walkways will be obstructed.

Padding, springs and frame

With a sofa featuring a spring core, pay attention to the specific information given about the suspension. A pocket spring core consists of individually encased springs, while other models use foam or a basic supporting structure. The product description should also include details of the frame material, maximum load and padding construction.

If the sofa will be used regularly for sitting or frequent overnight stays, the following points are worth considering:

  • a sturdy frame, for example made from wood or metal
  • a clearly stated weight limit
  • sufficiently supportive seat and back cushions
  • an even sleeping surface without noticeably disruptive joins
  • a mechanism that can be operated without excessive force

A particular type of suspension does not automatically guarantee that the sofa will suit everyone’s sleeping needs. Body weight, sleeping position and personal preferences also play a part.

Cover and cleaning

A removable, washable cover is especially useful if the sofa bed is used every day. With fixed covers, you should clarify whether stains may be removed with a damp cloth and which cleaning products must be avoided.

Chenille, cotton velvet and linen fabrics differ in feel, texture and care requirements. Product claims such as “water-repellent” or “scratch-resistant” should be treated as manufacturer information. You should also check the cleaning instructions and the actual areas covered, as cushion covers and the main cover may have different care requirements.

Our selection for different uses

Ideal for: Budget-conscious first-time buyers
COMHOMA Sofa Bed with Sleep Function

COMHOMA Sofa Bed with Sleep Function – Futon Cover

Why this product suits this profile: This three-seater model is listed as 174 cm wide, making it suitable for small flats, studios or an occasionally used guest room.

How this product avoids the pitfall

According to the product description, the backrest can be adjusted to five positions. The additional cover is removable and washable, making care easier to plan.

Key benefit & strengths

The product is listed with a wooden frame, metal feet and a cotton velvet cover. The construction is described as a convertible sofa.

Ideal for: Buyers with high quality expectations
GTIMEX Corner Sofa with Spring Core in Army Green

GTIMEX Corner Sofa with Spring Core, Army Green

Why this product suits this profile: This spacious corner sofa is designed for larger living rooms and households looking to combine seating, an ottoman and a sleeping option.

How this product avoids the pitfall

The sleeping area is listed as 183.5 × 258.5 cm. This makes it possible to compare the bed size precisely with the available space before buying.

Key benefit & strengths

According to the product description, the model features pocket springs in the seat, flexible foam padding and an optional ottoman that can be positioned on either side. The overall dimensions are 258.5 × 160 × 63.5 cm.

Ideal for: Special uses & frequent users
COMHOMA Folding 3-in-1 Floor Sofa

COMHOMA Folding Floor Sofa, 3-in-1 Sofa Bed

Why this product suits this profile: The foldable design is aimed at people with limited floor space, such as those in student accommodation, home offices or guest rooms requiring a flexible solution.

How this product avoids the pitfall

The compact footprint of 90 × 53 × 57 cm and the backrest’s six positions make it easier to plan the space required for everyday use. When unfolded, it creates a flat reclining position.

Key benefit & strengths

The product is listed with a metal frame, high-density foam, two lumbar cushions and a removable cover. According to the description, it weighs 9 kg.

Ideal for: Couples and regular guests
SONNI Sofa Bed LS09 Series

SONNI Sofa Bed LS09 Series, Double Sofa

Why this product suits this profile: This fold-down two-seater sofa is suitable for small flats, guest rooms and situations where a double-bed function is needed regularly.

How this product avoids the pitfall

The seating and bed dimensions are listed separately: 180 × 89 × 78 cm as a sofa and 180 × 105 × 38 cm as a bed. This makes it easier to calculate the floor space required.

Key benefit & strengths

According to the product description, the model has a solid wood frame, a spring construction, side pockets and a stated load limit of 280 kg.

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.

How to position and care for your sofa bed

Start by placing the sofa in its intended seating position and check that the conversion mechanism is easily accessible. With a corner sofa bed, the ottoman should not be positioned so close to a wall that it becomes blocked when the sofa is converted.

For a longer service life, we recommend:

  • vacuuming the upholstery regularly and removing crumbs from the joins
  • treating spills immediately in accordance with the care instructions
  • turning loose cushions occasionally, where recommended by the manufacturer
  • operating the folding or pull-out mechanism smoothly, without jerking
  • observing the maximum load limit
  • treating the cover only with approved cleaning products

Sofa bed FAQ

How much space does a sofa bed need?

This depends on its construction. A fold-down sofa requires the floor space of the unfolded sleeping position, while a pull-out sofa also needs clearance in front of the furniture. Measure both positions and allow for at least the necessary walkways.

Is a sofa bed suitable for every night?

Not every model is designed for nightly use. Check the details of the padding construction, suspension, frame, load capacity and sleeping area. A simple 3-in-1 sofa is often sufficient for occasional guests; for everyday use, a continuous sleeping surface and a mattress firmness that suits you are particularly important.

What are the ongoing running costs of a sofa bed?

Apart from the purchase price, the main additional costs are usually care and, where applicable, transport. Removable covers can make cleaning easier. Electrically adjustable models also consume electricity; the options featured here are converted manually and do not require a permanent power connection for the bed function.