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Mattress guide

Mattress care and rotation

Updated 13 September 2026 · 10 min read

The manufacturer’s care label and guarantee should always outrank generic advice. One-sided, two-sided, foam and sprung mattresses can need different handling, and the wrong base or cleaning method can cause damage.

Quick answer

What you need to know

Use a clean, compatible and supportive base; protect the mattress from spills; ventilate the room and bedding; and rotate or turn only as the manufacturer directs. Many modern mattresses are one-sided and should be rotated head-to-foot rather than flipped. There is no universal rotation interval or slat-gap measurement, so record the product instructions when it arrives. Normal fillings can settle and a new mattress can soften with use, but pronounced or worsening dips, broken components or lost support deserve checking against the guarantee. Never soak foam, use harsh chemicals or bend a mattress unless its instructions permit it.

  • Product instructions override generic schedules
  • One-sided mattresses should not be flipped
  • There is no universal safe slat gap
  • Protect, ventilate and inspect the base regularly

The first month: start correctly

  1. 1

    Confirm the label and size

    Check the delivered model before removing anything the return terms require.

  2. 2

    Inspect and photograph

    Record transit damage, marks or incorrect dimensions promptly.

  3. 3

    Follow expansion guidance

    Rolled products may need time in a ventilated room before use; follow the stated period.

  4. 4

    Fit the correct protector

    Choose a breathable, washable protector compatible with the product and trial requirements.

  5. 5

    Save care and guarantee documents

    Record base, rotation, weight and cleaning requirements while the product page is available.

New fillings can compress and settle as the mattress is used. Bed Advice UK distinguishes normal settlement and body impressions from structural failure. Rotate as directed to encourage more even use, and avoid repeatedly sleeping in one small area if the manufacturer recommends broader use.

Rotate, flip or neither?

DesignTypical actionWhyCheck first
One-sided foam or hybridRotate head-to-footDistributes repeated loadingMaker’s timing and lifting advice
One-sided sprungRotate head-to-footEncourages even settlementHandles and rotation frequency
Two-sided mattressRotate and flip in sequenceBoth sleep surfaces are designed for useWhether sides have different feels
Zoned or shaped mattressPossibly limited rotationHead and foot may have different zonesProduct-specific instruction
Adjustable-bed mattressAs directedConstruction is designed to flexOrientation and compatible base

Handles are often intended for positioning, not carrying the full mattress. Mattresses can be very heavy: use two or more people, clear the route and use safe lifting. Do not bend a sprung or latex product unless the maker says it can be bent.

Clean spills without damaging the mattress

  • Vacuum the exposed surface gently using clean upholstery equipment if the instructions permit.
  • Blot fresh spills rather than rubbing; use only the cleaning method stated for the cover and materials.
  • Avoid saturating foam or internal fillings. Moisture trapped inside can encourage odour, mould and deterioration.
  • Wash removable covers only when the label explicitly says they are washable; a zip does not automatically mean machine washable.
  • Let the mattress dry fully with ventilation before remaking the bed.
  • Avoid strong solvents, bleach, steam or improvised deodorising mixtures unless specifically approved.

Regularly airing the bedroom and turning back bedding after waking can help moisture disperse. A protector helps with hygiene but should not trap excessive heat or moisture. Clean it on its own label’s schedule.

The base is part of the sleep system

An uneven, damaged or incompatible base can make a good mattress feel poor and may contribute to wear. Inspect slats, centre rails, legs and fixings. A larger bed may require central support to the floor. Follow the mattress manufacturer’s maximum slat-gap and base instructions—there is no reliable universal number for every construction.

Bed Advice UK explains that divans, bedsteads, slats and adjustable bases behave differently. A sprung base can change the feel compared with a rigid platform. If replacing only the mattress, ask whether the existing base is suitable and document the answer.

Read more about what to check before purchase in the mattress buying checklist.

Settlement, wear and possible faults

Some softening and shallow body impressions can be normal as upholstery settles, especially in generously filled mattresses. Guarantee definitions vary, so avoid quoting a universal permitted dip. Check the exact measurement method, whether the mattress should be unloaded, and the threshold in your documents.

  1. Inspect the base first

    A broken slat or bowed base can mimic mattress sagging.

  2. Photograph consistently

    Remove bedding and use the method the retailer requests, often including a straight edge and scale.

  3. Gather proof

    Keep order details, label, base evidence and care record.

  4. Report promptly

    Contact the retailer when a defect appears rather than waiting for it to worsen.

  5. Replace for lost support

    Age alone is not the only test. Persistent discomfort, damage, hygiene issues and loss of support matter.

A simple care routine

WhenActions
WeeklyVentilate the room and bedding; check for spills or damp
At the maker’s intervalRotate or turn exactly as instructed; use safe lifting
Every few monthsVacuum if permitted; inspect base, centre support and protector
After a spillBlot and clean immediately by the care label; dry completely
YearlyReview wear, guarantee terms, base condition and whether support still feels even

Common questions

Frequently asked questions

How often should I rotate my mattress?

Use the manufacturer’s schedule. Recommendations vary by construction and may be more frequent early in the mattress’s life.

Should every mattress be flipped?

No. Most one-sided mattresses should not be flipped. Only turn a mattress when both sides are designed as sleep surfaces.

What is the correct slat gap?

There is no universal figure. Use the maximum gap and support requirements specified for your exact mattress.

Are body impressions a fault?

Not automatically. Some settlement is expected, while guarantee thresholds and measurement methods vary. Inspect the base and consult your terms.

Can I steam-clean a mattress?

Only if the manufacturer explicitly permits it. Excess moisture and heat can damage foams, adhesives, fillings or covers.

Sources and further reading

What to do next

Ready to compare replacements?

Use the buying checklist, then compare suitable sizes and constructions in the current catalogue.

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