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

A sofa bed combines seating and a place to sleep in one piece of furniture. This makes it particularly practical for small flats, guest rooms, student accommodation and multifunctional living spaces. However, unclear measurements, unsuitable upholstery or mechanisms that are difficult to operate can make everyday use more challenging.

If you’re looking to buy a sofa bed, sleeper sofa or pull-out sofa bed, don’t focus only on colour and price. The key factors are the actual sleeping area, the space it takes up when extended, its weight capacity and how easy it is to care for.

Common sofa bed buying pitfalls

1. Confusing the sleeping area with the seat width

A compact two-seater sofa bed may seem space-saving when used as a sofa. But it takes up considerably more room when unfolded. For example, a model measuring 142 × 90 × 86.5 cm may extend to an overall footprint of up to 142 × 172 cm.

Before you buy, check:

• Is there enough space to move around in front of the sofa?
• Can you still access doors, drawers and radiators?
• Will you need to move a coffee table or another item regularly?
• Is the sleeping area designed for one person or two?

2. A “sleep function” doesn’t automatically mean everyday comfort

A sofa bed may be suitable for occasional overnight guests without being designed to replace a bed every night. Details such as upholstery thickness, foam type, spring core and sleeping area dimensions can help you assess what to expect.

Pocket springs and high-resilience foam are objective construction features, but they can’t replace your own assessment of firmness and comfort. If you plan to use the sofa bed every night, pay particular attention to how flat the sleeping surface is, whether it’s long enough, and whether the mattress or topper is suitable.

3. Extra features can make a sofa bed more complicated to use

USB ports, LED lighting, cup holders and storage can be useful in everyday life, but they shouldn’t distract from the essentials. For a sofa bed with USB, check whether USB and USB-C ports are actually built in and where they’re located. If the sofa bed has storage, it’s also worth checking whether you can still access the drawers or compartments when it’s extended.

Assembly requirements are often underestimated, too. Some models need to be assembled by two adults, while folding sofa beds may require little or no assembly.

The key buying criteria at a glance

Dimensions in sofa and bed mode

Start by measuring the available space and comparing it with the sofa bed’s dimensions in both modes. A sofa bed for small rooms should not only be compact as a sofa, but also easy to convert.

Check:

• Width, depth and height in sofa mode
• Length and width of the sleeping area
• Distance from walls and other furniture
• Space needed for pull-out sections, drawers or side panels

A daybed with a 90 × 200 cm sleeping area often needs less rearranging than a traditional sofa bed. However, pull-out daybeds can significantly increase the width of the sleeping area.

Weight capacity and construction

The maximum weight capacity should suit how you plan to use the sofa bed. Manufacturer specifications may refer to one seat, the entire sleeping area or a load distributed evenly across the surface. These terms aren’t interchangeable.

A sofa bed with a metal and wood frame can have different weight limits depending on its construction. Check the product description carefully and consider the load from two people as well. A model rated at 150 kg per seat does not automatically have the same weight limit for the extended sleeping area.

Cover, upholstery and care

Removable covers make cleaning easier, but not every model has them. In some cases, only the seat and back cushions can be removed. Chenille, corduroy and velvet also differ in feel, appearance and care requirements.

For households with children or pets, these details are particularly useful:

• Is the cover removable?
• Can it be washed?
• How does the manufacturer recommend removing stains?
• Are the cushions reversible, or simply removable?
• Are there exposed edges or delicate mechanical parts?

Our picks for different needs

Ideal for: Budget-conscious first-time buyers

COMHOMA Folding Floor Sofa, 3-in-1 Sofa Bed with 6-Level Adjustable Backrest

Why this product suits this profile: At 90 × 53 × 57 cm, this folding sofa bed is relatively compact. According to the product details, it weighs 9 kg and can be used as a sofa, lounger or single bed.

How this product avoids the pitfall

The six adjustable backrest positions make it more versatile than a flat guest bed. The removable, washable cover also makes it easier to care for.

Key benefits and strengths

Compact dimensions, six backrest positions and two lumbar cushions included.

Ideal for: Buyers with high quality expectations

Sofa Bed with USB and USB-C in corduroy for two people

Why this product suits this profile: Measuring 163 × 140 × 82 cm, this two-seater sofa bed combines a padded sleeping surface with USB and USB-C ports.

How this product avoids the pitfall

The product details specify the seat height, 14 cm upholstery thickness, frame material and weight capacity of up to 150 kg per seat. This makes it easier to compare key specifications before you buy.

Key benefits and strengths

14 cm-thick seat padding, integrated charging ports, a swivelling phone holder and removable seat and back cushions.

Ideal for: Specific needs and frequent use

Daybed 90 × 200 cm with pull-out bed, LED lighting and side storage

Why this product suits this profile: This daybed is suitable for bedrooms, guest rooms or multipurpose spaces. As well as the main sleeping area, it has a pull-out bed measuring 90 × 190 cm.

How this product avoids the pitfall

Separate dimensions for the main bed and pull-out bed make it easier to understand how the daybed can accommodate overnight guests. The product details clearly state that mattresses are sold separately, so you can budget for the additional cost in advance.

Key benefits and strengths

A second sleeping space, side storage, LED lighting and an integrated socket with a USB port.

Ideal for: Small flats and flexible room layouts

Sofa bed as a two-seater with bed function and adjustable backrest

Why this product suits this profile: The independently adjustable backrests let you choose between sitting, relaxing and lying down. One side can be extended to create an L-shape, while extending both sides creates the sleeping position.

How this product avoids the pitfall

The three backrest positions are specified as 108°, 138° and 180°. This makes it clear which settings are intended for sitting upright, reclining and lying flat.

Key benefits and strengths

USB and USB-C ports, chenille cover, metal frame and flexible use as a sofa, L-shaped seat or bed.

Sofa bed FAQs

How much space does a sofa bed need when unfolded?

It depends on the mechanism and the size of the sleeping area. Check the product dimensions in both sofa and bed mode. If space allows, you should also leave around 50 to 70 cm of clearance in front of the furniture.

Is a sofa bed suitable for everyday use?

There’s no one-size-fits-all answer. For regular use, a flat sleeping surface, suitable dimensions, adequate padding and a sturdy construction are important. However, many models are described primarily as seating with an occasional sleeping option. Check the manufacturer’s specifications carefully before you buy.

What ongoing costs come with a sofa bed?

As well as the purchase price, you may need to budget for delivery, assembly, a separate mattress or a mattress topper. Models with USB ports or LED lighting also use a small amount of electricity when these features are connected and in use. The key is to check which accessories are already included.