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#5 in Best Mattress for Side Sleepers in the UK for 2026
Best for heavier side sleepersWATTB84/100

OTTY Original Hybrid Mattress

We score OTTY Original Hybrid Mattress in the context of this guide. For our primary assessment, see our main OTTY Original Hybrid Mattress review.

Our verdict · A firmer, cooler medium-firm hybrid that supports heavier frames without sagging, with a washable cover and regular discounts.

Buy it if

You're a heavier side sleeper (or share with a back sleeper) who wants firm support and cooling for the money.

Skip it if

You're petite or want plush shoulder cushioning, as its medium-firm feel can be too firm.

Where to get it

OTTY Original Hybrid Mattress

WATTB Score

84/ 100

Our research-based editorial assessment.

How we score →

From around £525 (double, indicative)

Indicative price at the time of review.

Compare prices

Opens a live price comparison and retailer search for current prices and availability.

The Otty Original Hybrid combines up to 2,000 pocket springs with a memory-foam layer for a medium-firm feel that reviewers rate for stable support, making it the pick here for heavier side sleepers or mixed-position couples who need the mattress to hold its shape. A breathable airflow layer and a removable, washable cover are practical wins for hot sleepers and anyone who wants easy upkeep, and Otty routinely discounts it well below its RRP. The catch for a side-sleeper guide is firmness: at medium-firm it gives less at the shoulder than the Emma or Nectar, so lighter side sleepers can find it firm, and its 100-night trial is shorter than the 200-365 nights offered by rivals. It ranks fifth because that firmer feel narrows its side-sleeper appeal, not because it is poorly made.

The good & the bad

Pros

  • Up to 2,000 pocket springs plus memory foam give firm, stable support reviewers rate for heavier sleepers
  • Breathable airflow layer and removable, washable cover help with heat and hygiene
  • Regularly discounted well below its RRP

Cons

  • Medium-firm feel offers less shoulder cushioning than the Emma or Nectar, so lighter side sleepers may find it firm
  • Shorter 100-night trial than rivals' 200-365 nights

How it compares

PickWATTB ScorePriceBest for
1.Emma Hybrid Airgrid Mattress88/100From around £700 (double, indicative sale price; RRP around £999)overall for side sleepers
2.Simba Hybrid Pro Mattress87/100From around £900 (double, indicative sale price; RRP around £1,099)premium build
3.Nectar Hybrid Mattress87/100From around £450 (double, indicative)value for deep pressure relief
4.Simba Hybrid Original Mattress86/100From around £615 (double, indicative)all-rounder for combination side sleepers
5.OTTY Original Hybrid MattressThis pick84/100From around £525 (double, indicative)heavier side sleepers
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Key facts

Best for
heavier side sleepers
Typical cost
From around £525 (double, indicative)
Type
Hybrid: up to 2,000 pocket springs plus memory foam
Firmness
Medium-firm
Depth
Approx. 25cm
Cover
Removable and washable
Trial & warranty
100-night trial, 10-year warranty

Researched by WATTB

Published
15 September 2026
Updated
15 September 2026
Last verified
15 September 2026
Sources
7 sources

We research and rank options from public data, official information and published reviews. How we research →

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