Best sleeping positions

Three variables decide whether a bed suits you: your sleeping position, your weight, and how those two interact. Position is the one people never mention in a shop.

The reason it matters is geometry. A side sleeper's shoulder and hip are the widest parts of them and have to sink in. A front sleeper's hips are the heaviest part and must not. Those are opposite requirements from the same mattress.

Pillow height follows the same logic and pulls further apart still: side sleepers need the most height of anyone and front sleepers need almost none.

This page is the map. Every position has its own detailed page linked from it.

The picks

Origin Hybrid Pro Mattress: Best all-round

£374 · 8.4 / 10

The highest scoring mattress on this site at 8.4. Most people move during the night, and medium-firm is the firmness that fails least badly in every position, which is why a straightforwardly good mattress beats a specialised one for combination sleepers.

Read the full Origin Hybrid Pro Mattress review

Silentnight Sofia 1200 Mirapocket: Best for side sleepers

Mid range · 7.2 / 10

Zoned 1,200 pocket springs, firmer under the lumbar and more giving under shoulder and hip. Side sleeping is the position zoning was designed for.

Read the full Silentnight Sofia 1200 Mirapocket review

Rem-Fit 4000 Ortho Elite Hybrid Mattress: Best for front sleepers

Mid range · 7.6 / 10

Nine out of ten for support here, the highest on the site. Front sleeping needs firm, because if the hips sink the lower back arches all night.

Read the full Rem-Fit 4000 Ortho Elite Hybrid Mattress review

Simba CustomFlex Pillow: The pillow that fits any position

Mid range · 7.7 / 10

Removable fill, adjusted after sleeping on it. Since pillow height requirements differ more between positions than mattress firmness does, adjustability matters more at the head than anywhere else.

Read the full Simba CustomFlex Pillow review

What each position needs

Those numbers assume a build between about ten and fifteen stone, because that is who firmness ratings are set for. Under ten stone a rated 7 feels firmer than 7; over fifteen it feels softer and supports less than the number implies.

Where you ache tells you which way you are wrong

This table is more reliable than any product description, because it measures the outcome rather than the specification.

The free adjustments, by position

Side sleepers: a pillow between the knees. An unsupported top leg falls forward and rotates the pelvis while your shoulders stay put, twisting the spine along its length. A folded duvet tests it for nothing.

Back sleepers: a pillow or rolled towel under the knees, which lets the pelvis tilt slightly and takes tension off the lower back.

Front sleepers: a thin pillow under the hips to reduce the arch in the lower back, and a very low pillow or none at all under the head.

Each of these costs nothing, and any of them can resolve what looks like a mattress problem.

Changing position, and whether it is worth it

Front sleeping is generally considered the hardest on the neck and lower back, because the neck is rotated and the lumbar spine extended for hours. Some people can move to side sleeping by leaning into a body pillow along the front, which removes the rotation entirely, and a folded duvet tests the idea free.

Beyond that, there is no single best position for everyone, and forcing a change you find uncomfortable usually costs more sleep than it saves.

What is worth changing is the equipment. A pillow at the wrong height is the single most common and most fixable problem in a bedroom, and the test takes ten minutes: lie in your position, have someone look from behind, and check your neck is a straight continuation of your spine.

If pain is severe, persistent or worsening, or comes with numbness or weakness, that belongs with a GP or physiotherapist rather than with bedding.

What not to do

Buy firmness without factoring in your weight. Ratings are set for ten to fifteen stone.

Use one pillow height for every position. The requirement differs more at the head than anywhere else.

Over-firm to fix back pain. The commonest overcorrection, and for side sleepers it creates a new problem.

Buy a new mattress before doing the free checks. Pillow height, knee support and slat spacing are all free.

Force a position change you find uncomfortable.

Also considered, and why they are not here

A roundup is only as useful as what it leaves out, so here is what was assessed and rejected for this list.

How this list is made, and who made it

Who writes this. Kyle Klinkradt has worked in the mattress and bedding industry for over ten years across retail, distribution and brand partnerships, and has handled, sold or assessed products from every major UK bed-in-a-box brand. Every review on this site is written by one person, so the scores mean the same thing from page to page.

What the assessment is. Construction specifications against what they physically do: spring height and where in the mattress it sits, spring count for the size, gauge, whether the base is sprung or foam, foam density where it is published, comfort layer depth and material. Then the commercial terms that decide what you are actually buying: trial against returns policy, guarantee length against the company's UK trading history at Companies House, and the regulatory record.

What it is not. This is not a laboratory. I do not publish pressure-mapping data or claim to have slept eight years on every mattress here, because nobody has and pages that imply otherwise are not telling you the truth. Where a judgement rests on construction rather than long-term use, the review says so.

What gets a product removed. Leaving the UK market, a specification change that makes the review inaccurate, or a corrected fact. Brands that have withdrawn are kept on the site with the score removed rather than quietly deleted, because people still search for them.

See editorial independence, corrections and the author page.

How these were chosen

Every product here has its own review on this site with a score out of 10, and the score is a judgement rather than an average. Nothing appears in a list because it pays more.

A score is against the market, not against its own range. The cheapest mattress in a lineup is usually priced to make the model above it look reasonable, and the flagship of a budget range has risen into a bracket where better brands compete. Both are judged against what else you could buy for the money.

Everything listed can actually be bought in the UK. That is not a given: Casper withdrew in July 2020 and Leesa no longer sells here, and both still appear in current British roundups with affiliate links attached.

I do not pad the list. Where only three or four products genuinely qualify, there are three or four. A list of seven when the category contains four good ones is a list with three bad recommendations in it.

Prices move constantly. Judge the cash price on the day rather than any percentage beside it. See every review on this site or where the real savings are.

Questions people ask

What firmness do I need for my sleeping position?

Side sleepers 4 to 6 out of 10, back sleepers 6 to 8, front sleepers 7 to 9. Those assume a build between about ten and fifteen stone, because that is who firmness ratings are set for.

How much pillow height does each position need?

Side sleepers need the most, because the shoulder creates the largest gap between head and mattress. Back sleepers need medium, filling the hollow at the neck. Front sleepers need almost none, because any height extends an already-rotated neck.

How do I tell whether my mattress is too firm or too soft?

By where you ache. Lower back ache on waking that eases as you move usually means too soft. Hip or shoulder pain when side sleeping usually means too firm.

Should I change my sleeping position?

Front sleeping is generally considered the hardest on the neck and lower back, and some people move to side sleeping by leaning into a body pillow. Beyond that, forcing an uncomfortable change usually costs more sleep than it saves.