For most beds made today, my answer to "how often should you flip your mattress" is never. They're built with one sleeping side, so they get rotated instead, and only a two-sided mattress is made for flipping. Restwell's Never Turn schedule is every 2 weeks for the first 3 months, and Restonic's FAQ says monthly for the first 6 months.
Rotating a mattress means a 180-degree turn on its base, so the head end moves to the foot and the same side stays up. Flipping means turning it over so the underside becomes the top.
Merit Home Furniture lists 20 mattresses for our Duncan store on Vancouver Island, from Restwell, Restonic and Natura, and none of those listings describes a two-sided bed. Restwell and Restonic still ask owners to rotate, and Restwell writes rotation into its warranty terms.
How often should you flip your mattress, and when is rotating enough?
A mattress only needs flipping if both faces are built to sleep on. Restwell's warranty and care brochure splits its beds into two kinds. Its Never Turn mattress is rotated head to toe and nothing more. Its two-sided mattresses are rotated and then flipped completely over, so the underneath becomes the top.
Restonic's warranty card asks owners to "rotate your mattress as needed to promote even wear" and doesn't mention flipping at all. So for the beds on our Duncan listings, rotating is the whole job.
Rotation matters because the comfort layers settle where your body lies. Restwell says body impressions appear as those layers "settle and conform to the contours of your body". It adds that a ridge may form on a king when nobody sleeps in the middle. Turning the bed end to end puts your hips and shoulders on foam that has had less wear.
A one-sided mattress gains nothing from a flip every so often, just in case. Six of our Restwell listings name a "stabilizing base layer under the coil unit" in the spec sheet. All six Restonic Comfort Care listings end with a base support foam under the coils. Our Natura Majestic listing puts its wool just under the cover and its softer latex on top. Neither base layer is a sleeping surface, and flipping the bed would put you on it.
Mattress rotation schedule by maker: Restwell, Restonic and Tempur-Pedic
A mattress rotation schedule comes from the maker, and the makers below don't agree. Restwell, Restonic and Natura make every mattress on Merit's Duncan listings. Tempur-Pedic, carried at Merit's Campbell River store, is there for comparison.
| Maker and bed | What the maker asks for |
|---|---|
| Restwell, Never Turn (one-sided) | Rotate head to toe every 2 weeks for the first 3 months, then once a month |
| Restwell, two-sided | Rotate after two weeks of use, flip two weeks later, repeat for three months, then turn once a month |
| Restonic | Rotate or flip as needed; its FAQ says monthly for the first 6 months, then quarterly for the rest of the year |
| Natura | No rotation or flip schedule on its Canadian FAQ, warranty or product pages |
| Tempur-Pedic Canada | No rotating needed and no flipping; every model has one top side for sleeping |
Restwell's schedule is the most demanding here, and it's tied to the warranty. Its care section says turning the mattress this way is the owner's responsibility "to ensure validation and compliance with these warranty provisions".
How often should I rotate my mattress?
For a one-sided Restwell, every two weeks for three months and then monthly. For a Restonic, monthly for six months and then every three months, a rhythm I'd keep after the first year. Natura doesn't publish a schedule on its Canadian site, so for a Natura I'd go by its care card or call us. For any other make, the care card that came with the bed sets the rule. If the card is gone, the law tag on the end of the mattress names the maker.
Which Duncan mattress models are one-sided, and is any two-sided?
Every Restwell, Restonic and Natura mattress listed for Merit's Duncan store is one-sided by its description. None of the 20 listings uses the words two-sided, double-sided or flippable. King prices are from our listings on November 1, 2026, before applicable taxes.
| Top | Listed for Duncan, height | King price |
|---|---|---|
| Tight top | Restwell Canary 12 in., Nightingale and Nightingale Elite 12 1/2 in.; Restonic Tiffany Rose and Jasmine 13 in. | $4,060.00 for Tiffany Rose and Jasmine; the Restwells list queen or smaller |
| Euro top | Restwell Robin 12 1/4 in., Starling 13 in.; Restonic Minto 12.5 in., Prestige 13 in., Notte, Mondena, St Charles and Elizabeth 15 in., Vernazza and Treviso 16 in. | $1,188.00 for the Restonic Minto up to $4,315.00 for St Charles and Elizabeth |
| Pillow top | Restwell Savannah Plush 15 in., Sparrow Elite 15 1/2 in. | $2,199.00 for the Savannah Plush |
| Top not named | Restwell Copper Hybrid; Restonic Revive Marissa and Revive Reflections; Natura Majestic latex 11 in., Green Spring Serene 14 in. | $2,353.00 to $4,849.00 |
Our listing for the Restonic St Charles and Elizabeth describes a euro top as "an extra comfort layer stitched flush with the sides". That layer is sewn to one face only. It's the plainest reason most mattresses aren't double-sided now: the soft part sits on top, and the support and base layers sit below it.
A two-sided mattress has one real advantage. It spreads wear over two faces, which is why Restwell's two-sided schedule adds a flip to every rotation. The cost is the work, since a flip means lifting the whole bed onto its edge. Even a tight top like the Restwell Canary lists a base layer under its coils. If a two-sided bed matters to you, ask us, because none of our current listings is one.
Can you flip a pillow top or euro top mattress?
A pillow top or euro top shouldn't be flipped. Turned over, the padded layer would sit against the foundation and you'd sleep on the base foam. The Restwell Savannah Plush, a 15-inch pillow top, gets turned end to end on Restwell's schedule and stays right side up.
What the Restwell, Restonic and Natura warranties say about rotating a mattress
Restwell's warranty is the stricter of the two on rotation. Beyond the turning schedule, it lists "sleep patterns" among the things it doesn't cover. It says the entire sleep surface has to be used to keep body impressions down and wear even. It also treats body indentation up to 1 1/2 inches as normal, so a dip of that size isn't a defect.
Restonic's card asks for rotation "as needed" and sets its own sag depths, shown further down. Restonic's Canadian site, restonic.ca, is parked. The Restonic terms here come from restonic.com, its US site. A Restonic made in Canada comes with its own card, and that card is the one that applies.
Natura's Canadian FAQ doesn't mention rotation at all. It treats body impressions of 1 1/2 inches or less as normal and calls anything deeper a defect. It also says a soiled or stained mattress voids the warranty.
All three makers care about what's underneath. Restwell's warranty covers a queen or king only on a frame with a rigid centre support. A headboard and footboard frame needs at least five hardwood slats and at least five legs. Restonic makes centre support on a queen or king frame a condition of its warranty too. Natura's FAQ allows a slatted base with slats no more than 2 inches apart.
Restwell and Restonic also say the handles on the side are for positioning the mattress, not carrying it. Restwell doesn't cover handles at all, and Restonic calls them decorative. On a claim through Merit Home Furniture, we stand behind the maker's warranty, order the parts and handle the repair.
How to rotate a heavy king mattress safely
Rotating a king mattress safely takes two people and a plan. A Restwell king measures 76 by 79 inches by its listing, and a Restonic euro top can stand 16 inches tall. Restwell's care rules say not to rotate a mattress by yourself, to avoid injury and damage to the bed.
The Canadian Centre for Occupational Health and Safety writes for workplaces, but its team handling advice fits a bedroom. It notes that "the combined strength of the team is less than the sum of individual strength". It suggests partners of similar height and strength, one leader, and agreed words such as lift, walk, stop and down.
- Clear the room. Take the sheets and pillows off, and move lamps and anything on the nightstands. The protector can stay on.
- Note the law tag. It sits at one end of the mattress, so where it sits tells you which way the bed faced last time.
- Agree who calls it. One person gives the words and both move on them, the way CCOHS describes.
- Lift a little and walk it round. Stand at opposite corners with your hands under the mattress, not on the handles. Raise it just clear of the base and pivot it in a half circle, keeping it flat.
- Keep it from folding. Restwell says never to bend a mattress, because bending can damage the innerspring unit.
- Check the frame while it's up. Make sure the centre legs still reach the floor, then square the mattress on the base.
I'd have a second pair of hands for any bed, and for a king it isn't optional.
What to do about a sag in your mattress
A sag that's already set won't come out with rotation. Turning the bed spreads future wear, but a deep dip is a measuring job. Strip the bed, with nobody on it, and lay a straight edge or a tight string across the low spot. Measure the gap at the deepest point.
| Maker | Sag depth the warranty treats as normal |
|---|---|
| Restwell | Body indentation up to 1 1/2 inches |
| Restonic, no quilt top | Body impressions or sagging under 0.75 inch |
| Restonic, quilt top | Body impressions or sagging under 1.5 inches |
| Natura | Body impressions of 1 1/2 inches or less |
Restonic's claim page asks for pictures of the mattress without sheets or a protector, the original store receipt and the law tag. It may also ask for photos showing specific measurements. Restwell asks for proof of purchase, pictures of the problem area and the return of the bed to its factory for inspection. Transport is the owner's cost under both warranties.
Check the base before blaming the mattress. Restwell warns that a new mattress can appear to sag when the old foundation underneath is the real problem. If the dip passes the maker's depth, call us before anything else, since Restonic names the retailer as the first point of contact. When the dip is shallow but the bed still sleeps badly, the signs that a mattress has reached the end are a better guide than a tape measure.
Memory foam, toppers and protectors on a mattress rotation schedule
A memory foam mattress shouldn't be flipped either. Tempur-Pedic Canada says all its mattresses "have a top side that's designed for sleeping", and that they don't need rotating. For a memory foam layer inside a Restwell or Restonic hybrid, that maker's rotation schedule still applies. Restonic's card also excludes the "normal change in softness and recovery time" of memory foam and latex.
Why are people no longer buying memory foam mattresses?
I haven't seen figures that show buyers turning away from memory foam, so I can't say they are. Restonic's FAQ pitches memory foam at people who "fight to stay warm at night", which suggests it holds warmth. It also says mixing coils with foam or latex "may reduce body impressions". Every Restwell and Restonic bed on our Duncan listings puts foam or latex over coils, and the Natura Majestic skips coils for an all-latex core. The trade-offs between foam, hybrid and coil beds are set out in a separate guide.
Merit doesn't list mattress toppers right now. If you use one, I'd turn it end to end along with the mattress so both wear evenly. A topper won't lift a sag in the bed beneath it.
A protector matters more to the warranty than to rotation. Restwell says "any kind of staining will void the warranty", and Restonic lists stains, soiling and fluid penetration among the things it won't cover. The Health Guard Premium Terry protector is listed for Duncan at $69.00 in queen or king, from $49.00 in twin, before applicable taxes. It stays on while the bed is turned. The protector types and what each one stops have their own guide, and the rest are in our pads and protectors listings.
The 24 and 72 hour waits people ask about belong to boxed beds that arrive rolled, and the maker's card sets the time. Boxed mattresses in Canada are covered on their own page. For its made-to-order beds, Restonic's FAQ says a new-foam smell should fade within a week, and it suggests airing the mattress for a few days.
When rotating a mattress won't fix the problem
Rotating a mattress evens out wear, and that's all it does. Support, protectors and humidity make up the rest of looking after a mattress. A dip deeper than the maker's limit is a warranty question, and a frame without centre support will undo any schedule. A soaked or stained mattress has a warranty problem that turning can't touch. Before counting on any rule above for a claim, ask Merit to check the card for that model.
Pain is a different matter. People ask whether a bad mattress can cause sciatica. HealthLink BC's sciatica page names a herniated disc as the most common cause, with spinal stenosis and pressure on a nerve root from an injury among the others. It doesn't mention mattresses. Pain, numbness, weakness or tingling down a leg belongs with your doctor first, and a call to 8-1-1 reaches HealthLink BC from anywhere in the province. Our guide on what a mattress can and can't do for back pain goes through the research.
Where the mattress rotation rules and sag depths come from
- Restwell Sleep Products, Warranty and Mattress Care brochure (2024), checked November 2026.
- Restonic (US site), Restonic Warranty card, checked November 2026.
- Restonic (US site), Frequently Asked Questions, checked November 2026.
- Restonic (US site), Mattress Warranty Claim, checked November 2026.
- Natura World (Canada), Frequently Asked Questions, checked November 2026.
- Natura World (Canada), Warranty, checked November 2026.
- Tempur-Pedic Canada, FAQs, checked November 2026.
- Canadian Centre for Occupational Health and Safety, MMH: Team Handling (revised July 11, 2023), checked November 2026.
- HealthLink BC, Sciatica (current as of August 25, 2022), checked November 2026.
- Merit Home Furniture, mattress and protector listings for the Duncan store, with prices and specs, read November 1, 2026.
Asking about mattress care at Merit's Duncan store
Merit's Duncan store on Ingram Street keeps 9 to 5 hours, Monday to Saturday. Call to ask which top a model has, or what its warranty card says, before you order. Duncan's floor holds display models, so a call also tells you which beds are set up to lie on. Nobody will follow you around while you do.
A mattress from Duncan is delivered across the Island for $150, with setup included, and pickup at the store is free. Sending a mattress up or across the Island can take a different shipping method, so ask when you book. Old furniture can be taken away at delivery, usually for $25 to $50 a piece, so ask whether that covers the old mattress. A protector ordered with the bed comes on the same truck.
Call the Duncan store, (250) 746-5527
More on choosing and caring for a bed is on our page of mattress guides. Compare the tops and heights above across every Restwell bed on our site, the full Restonic lineup we list and the Natura beds listed for Duncan.