Sleep Better Blog

10th Nov 2022

How long will my mattress last?

This is a question that people often ask when they are working out how much a mattress will cost over its lifespan. The answer is that it depends on a number of factors, some about the mattress and some about the person using it. Different spring units will last different amounts of time but as a general idea an open coil mattress will last 2/5 years of every night use and a pocket sprung mattress will last 7/12 years of every night use. The memory/foam mattresses will last about the same amount of time as a pocket sprung mattress but the foam itself can degrade with age rather than just use so something that is left in a spare room will need replacing after a while.  These are both quite large ranges as a heavier person will wear out a mattress quicker than someone lighter or someone that spends 9 hours a night will wear out a mattress faster than someone who only spends 6 hours a night in it. The big misconception is that a firmer mattress will last longer than a soft mattress. This is not the case.

The number of springs in a mattress will make a difference to how long it lasts but we normally separate this out to below 3000 springs which are normally the mass-market mass-produced mattresses and then over 3000 springs which is where the top end companies normally start to take over. The top companies are normally using more fillings as well so it is not just the number of springs that they use that gives them a longer lifespan. The top companies like Somnus, Hamilton and James and Shakespeare Natural we would expect about 10/15 years of every night use. This could be slightly longer again if they are on a pocket sprung divan base as the springs in the base work with the mattress so last longer but the base will also need replacing when you change the mattress.

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