Sealy Alston Advantage Mattress
Mattress
Sealy Alston Advantage Mattress
Size
Firmness
Construction
Depth (cm)
Layers
Layer Details
- Proper space for two: At 75cm each for two people sharing, you can turn over without negotiating for territory, which matters when one of you is a restless sleeper.
- Less partner disturbance: If one of you gets up hours before the other, the wider surface puts more distance between you, so an early alarm is less likely to wake you both.
- Length for taller sleepers: The UK king is 10cm longer than the UK Double, which keeps feet on the mattress rather than hanging off it if either of you is approaching six foot.
- Room for a bed-sharing pet: A dog who treats the bed as their own takes a real chunk of a double; in a UK king that habit costs you far less sleeping space.
- Fits most main bedrooms: We suggest a room of at least 2.7m x 2.9m, which most UK master bedrooms can manage, unlike the UK super king's larger footprint.
This size suits you if...
You share the bed every night and a double has started to feel cramped, one of you is tall enough to appreciate the extra 10cm of length over the UK double, or your sleep schedules differ and you want enough width that one person's movement doesn't wake the other.
Consider another size if...
Your bedroom is smaller than the 2.7m x 2.9m we suggest for a UK king, or you sleep alone. The UK double would suit you better, and needs a room of at least 2.6m x 2.8m.
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How big is the Sealy Alston Advantage in a UK king?
It measures 150 x 200cm, or 5ft x 6ft 6in. Two people sharing get 75cm of width each, and the 200cm length gives taller sleepers a little more room than the 190cm of a UK double or UK single.
Is a UK king Sealy Alston Advantage big enough for a couple?
For most couples, yes. With 75cm each, you both have room to change position without disturbing the other, which is why the UK king is the most common upgrade from a double. If you want even more space and your room allows it, the Alston Advantage also comes in a UK super king.
What room size do I need for this mattress in a UK king?
We suggest at least 2.7m x 2.9m, with 3.2m x 3.2m feeling comfortable once wardrobes and bedside tables are in. New build master bedrooms can be tighter than they look on a floor plan, so measure with the furniture in place before committing.
Should I choose the UK king or UK super king in the Sealy Alston Advantage?
The UK king is 30cm narrower than the UK super king; both are the same 200cm length. If your room meets the 3m x 2.9m we suggest for the UK super king and you want maximum personal space, size up. If space is tighter, the UK king is the sensible middle ground.
Where can I buy the Sealy Alston Advantage in a UK king?
Compare the retailers listed on this page; the prices shown here are updated as retailers change them. Sealy publishes little construction detail for this model, so a retailer offering a trial period is worth weighing alongside price when you choose where to buy.