How Often to Rotate and Replace Your Mattress

Knowing when to replace a mattress is partly about its age and partly about how it looks and feels. This guide explains the difference between rotating and flipping, a simple rotation schedule, typical lifespans and the signs that a new mattress is due. It also covers the bed base, which can affect how a mattress wears. When you are ready to compare options, browse our mattresses.

Rotate or Flip: What Is the Difference?

The two words are often mixed up, but they mean different things. Rotating turns the mattress 180 degrees, so the end where your head was is now at the foot. Flipping turns it over so the bottom becomes the top.

Many modern mattresses are one-sided, with comfort layers on top and a firm support layer beneath. Flipping one of those puts the support layer where you sleep and can damage the padding. Some designs are also zoned to support different areas of the body, and may not be meant to be turned at all. Always follow the instructions that came with yours, or check with the maker.

A Simple Rotation Schedule

Rotating spreads wear across the whole surface instead of leaving one worn patch where you sleep. A reasonable routine looks like this:

1. Confirm your mattress can be rotated by reading the care information.
2. Choose a rhythm. Common guidance is every three to six months, and some makers suggest turning a new mattress more often during the first months.
3. Tie it to the calendar. Rotating when you change the seasonal bedding makes it easy to remember.
4. Get help. Mattresses are heavy and awkward, so lift with a second person and bend at the knees rather than twisting your back.
5. Use the moment to look it over. Check the surface for stains or damage, and see our guide to cleaning a mattress for a quick vacuum and airing.

How Long Does a Mattress Last?

Lifespans are often quoted at roughly 7 to 10 years, but that is a rough guideline, not a rule. Some mattresses wear out sooner and others stay comfortable longer. Materials and build quality matter, and so do how often the bed is used, how many people sleep on it, and how well it is supported and cared for. A guest room mattress used a few nights a year will age very differently from one used every night.

Warranty periods vary between makers and are not a promise of comfort for that long. Read the warranty and care information that came with your mattress, and treat its guidance as the final word for that product.

Signs It Is Time for a New Mattress

No single sign decides it, but several together are a clear signal:

• Visible sagging, or a body-shaped dip that stays when no one is on the bed
• Lumps, uneven areas or an edge that collapses when you sit on it
• Springs you can feel, or creaking and squeaking that was not there before
• Tears, split seams or exposed padding or coils
• Odours or stains that cleaning will not remove
• You are more comfortable on another bed, such as the one in a guest room
• Your needs have changed, for example a new partner or a bigger bed size

A simple check for sagging: strip the bedding, lay a straight board or broom handle across the surface and look at the gap beneath it. Some makers set a specific measurement in their warranty terms, so it is worth reading yours. Before you decide anything, rule out the base, since a problem underneath can look like a problem with the mattress.

Check the Bed Base Too

A mattress can only be as supportive as what it sits on. Wide gaps between slats, a broken slat, a worn foundation or a missing centre support on a queen or king can all let a mattress dip, even when the mattress itself is fine. Many mattress makers give a maximum slat gap, so check yours against their requirements.

If you use or are considering an adjustable base, confirm with the mattress maker that your model is compatible, because the mattress needs to flex without strain. You can see the options in our adjustable bases collection.

Make the Next One Last Longer

• Use a protector from day one to keep out sweat and spills.
• Rotate as the maker recommends.
• Choose a base that meets the mattress maker's support requirements.
• Vacuum and air the mattress regularly, and treat spills straight away.
• Keep the warranty paperwork where you can find it.

Frequently Asked Questions

Do I need to flip my mattress?

Only if it is made to be flipped. Many modern mattresses are one-sided, with comfort layers on top and a support layer underneath, and flipping them can damage the padding without giving any benefit. Check the instructions or ask the maker. Rotating head to foot is the safer option for most mattresses that allow turning at all.

How often should I rotate a mattress?

A common guideline is every three to six months, and some makers suggest turning a new mattress more often at first. Others say their design should not be rotated. Check the care instructions for yours, and set a reminder for when you change the seasonal bedding so it becomes a habit.

How long should a mattress last?

Commonly quoted lifespans run from about 7 to 10 years, though plenty wear out sooner or last longer. Materials, build quality, how often it is used and how well it is supported and cared for all matter. A warranty period is not a promise of comfort, so go by how the mattress looks and feels.

Can my bed frame or base make a mattress sag?

Yes. Wide gaps between slats, a broken slat, a worn foundation or a missing centre support on a larger bed can let a mattress dip even when the mattress is fine. Check your base against the mattress maker's requirements before you assume the mattress is the problem.

Try a Mattress in Person

Comfort is personal, and lying down on a mattress tells you far more than a description can. Visit our showroom at Unit D200, 9737 Macleod Trail SW in Calgary, or browse our beds online. Our guide to choosing a mattress is a helpful read before you go.