Sealy Rest Easy Plush King Size Mattress
Sealy

Sealy Rest Easy Plush King Size Mattress

The Sealy Rest Easy Plush comes in five UK sizes, from Single up to Super King.

£866.15

Size: King Size. Available at Mattress Man

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Where can I buy the Sealy Rest Easy Plush King Size Mattress?

Below are the best prices for the Sealy Rest Easy Plush Mattress in a King Size. Available from (9) trusted retailers.

Sealy Rest Easy Plush Mattress

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Prices last checked:
11th November 2026

Mattress dimensions for the Sealy Rest Easy Plush King Size Mattress

Length: 200cm

Width: 150cm

(5ft x 6ft 6in)

Minimum room size: 2.7m x 2.9m

Mattress details

Mattress Details for the Sealy Rest Easy Plush King Size Mattress

Mattress

Sealy Rest Easy Plush Mattress

Size

UK King (5ft x 6ft 6in)

Firmness

Construction

No items found.

Depth (cm)

Layers

Layer Details

Key benefits

Key Benefits of the Sealy Rest Easy Plush King Size Mattress

  • Proper space for two: At 75cm each for two people sharing, you can both change position without negotiating for territory.
  • Less partner disturbance: The wider surface means more distance between you, which softens the effect of a partner turning over or getting up early.
  • Extra length for taller sleepers: The UK king is 10cm longer than the UK double, a real difference if one of you is approaching six foot.
  • Fits most master bedrooms: We suggest at least 2.7m x 2.9m, which most UK master bedrooms can manage with wardrobes in place.
  • A softer feel with room to shift: Sealy positions this model as plush, and the wider format suits sleepers who move around while settling into a softer surface.

Who should buy the Sealy Rest Easy Plush King Size Mattress?

This size suits you if...

You share the bed every night and a double has started to feel cramped, one of you gets up hours before the other and you'd rather the movement went unnoticed, or you're tall enough that your feet reach the end of a standard 190cm mattress. It also suits couples in the propping-pillows stage of pregnancy, where repositioning through the night needs room.

Consider another size if...

Your bedroom falls short of the 2.7m x 2.9m we suggest for a UK king. In that case we'd recommend the UK double instead, which needs at least 2.6m x 2.8m and gives up 15cm of width.

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FAQ's

Frequently Asked Questions About the UK King

Is a UK king big enough for a couple with a dog on the bed?

Usually, yes. With 75cm each for two people sharing, a UK king absorbs a dog's habit of claiming space better than a double does. If the dog is large and sleeps between you every night, the UK super king, which is 30cm wider than the UK king, is the more comfortable answer.

Will the Sealy Rest Easy Plush in a UK king fit a new build master bedroom?

In most cases. New build masters often feel smaller than the floor plan suggests once wardrobes go in, so measure the usable space rather than the room. We suggest at least 2.7m x 2.9m for a UK king, with more feeling comfortable if you want walkaround space on both sides.

Is a UK king worth it if my partner and I keep different hours?

It helps. When one of you leaves for work hours before the other, the extra width of a UK king means getting up happens further from the sleeping partner. A softer, plush surface can transmit a little more movement than a firm one, so the added distance matters more here.

Should a tall sleeper choose the UK king or the UK super king?

If length is your only concern, either works: the UK king and the UK super king are the same length at 200cm. The UK super king adds 30cm of width, but we suggest at least 3m x 2.9m of room for it. For most tall couples, the UK king is the practical choice.

How firm is the Sealy Rest Easy Plush in a UK king?

Sealy doesn't publish verified construction or firmness details for this model, and firmness doesn't change between sizes anyway. The plush name points to a softer feel, but check the retailer's listing for the stated firmness rating and spring type before committing, especially if you prefer firmer support for your back.