SleepSoul Balance 800 Pocket Memory Mattress
Mattress
SleepSoul Balance 800 Pocket Memory Mattress
Size
Firmness
Medium Firm
Construction
Depth (cm)
23
Layers
2
Layer Details
- Memory Foam. A 2cm top layer that responds to body temperature, which means it softens where you press into it and spreads your weight evenly for soothing pressure relief. It's a slim layer, so expect a gentle cushion rather than a deep sink-in feel.
- Pocket Springs. 800 pocket springs run edge to edge and react independently to your movements, giving personalised support with no roll-together. That independence means you're less likely to be disturbed when a partner shifts in the night.
Layer details from mattressonline.co.uk product page, September 2026.
- Leaves room for the rest of life: In a child's bedroom that also has to fit a wardrobe, a desk and toy storage, a UK single keeps the bed's footprint small, so there's still floor left to play on.
- Check it against raised frames: The mattress is 23cm deep, so before ordering for a bunk, cabin or mid sleeper, compare that with the maximum mattress depth your frame maker states for safe guard rail height.
- Suits awkward spaces: Under the sloping ceiling of a loft conversion, the narrow UK single footprint can tuck in where a wider bed would leave you bumping your head getting in and out.
- Firm support for growing bodies: The pocket springs support a single sleeper evenly across the surface, although lighter children may find the medium firm feel a little firmer than the medium label suggests.
- A practical spare room bed: If your spare room is mostly a home office, a UK single leaves space for a desk and chair while still giving an occasional guest a proper sprung mattress.
This size suits you if...
You're buying for a child or teenager whose room has to hold a desk and storage as well as a bed, you have a bunk, cabin or mid sleeper frame that takes a single, or you sleep alone in a small bedroom or loft conversion and want to keep floor space free.
Consider another size if...
You're an adult who sprawls, turns often or simply wants more elbow room. We'd recommend the UK small double instead, which is 30cm wider; we suggest at least 2.4m x 2.8m of floor space for it.
Similar Mattresses in This Price Range
Did you know? On Mattress Unboxed we have over 1,000 different mattresses to suit all types of sleepers. View all mattresses.
Can I use the SleepSoul Balance 800 UK single on a bunk bed?
It comes in the standard 90 x 190cm UK single size that most bunk frames take, but it is 23cm deep. Bunk and mid sleeper frames often set a maximum mattress depth so the guard rail stays high enough, so check your frame maker's guidance before buying.
What size room do I need for a SleepSoul Balance 800 UK single?
We suggest allowing at least 2.1m x 2.8m of floor space for a UK single. That leaves room to walk around the bed and open drawers, which matters in a child's room or a spare room that also holds a desk.
Is the SleepSoul Balance 800 a good single mattress for a child?
For a child moving out of a toddler bed it gives sprung support at a budget level. Yes, some owners find it firmer than the medium description suggests, which lighter sleepers may notice, but many children settle well on a supportive surface.
Should I get the Balance 800 in a UK single or a UK small double?
The UK small double is 30cm wider than the UK single and the same length, so it suits an adult who wants more space. We suggest at least 2.4m x 2.8m for the UK small double, against 2.1m x 2.8m for the UK single.
Is a SleepSoul Balance 800 UK single long enough for a tall teenager?
The UK single is 190cm long, the same as the UK small double and UK double. If length is the concern, the UK king is 10cm longer, though it needs much more floor space: we suggest at least 2.7m x 2.9m for the UK king.