But how thick should my mattress topper be? Even the best mattresses of 2025 for all sleepers need a refresh over time, and the best mattress toppers are perfect for expanding your bed's lifespan.

The HYLEORY Extra Thick Mattress Topper is made of high-quality 400TC ... The box quilted design and double filled snow down alternative filling create a fluffy and warm sleeping experience ...

‘Double-check the exact size of your mattress ... However, you should also beware very thick mattress toppers. ‘A topper that is too thin may not provide the desired comfort and support ...

This 2-inch thick topper adds pressure relief and durability without drastically altering your mattress. We tested this using the Saatva Latex Hybrid mattress and our proprietary Mattress Smasher ...

If you don't have the budget to buy a new mattress but want to upgrade your current one, getting a mattress topper is a great affordable solution. They can completely transform how your mattress ...

this thick and snuggly topper will only set you back £24.18, perfect if your bed needs a quick spruce up. Silentnight Deep Sleep Double Mattress Topper Upgrade your zzz's for Sleep Awareness Week ...

The Saatva Graphite Mattress Topper is an excellent choice for boosting your in-bed comfort and helping you to sleep cooler. It dishes out Saatva's signature comfort at a fraction of the cost of ...

They're also great if you're on a budget – even the best mattress toppers are typically a fair bit cheaper than the best cheap mattresses. A thick mattress topper – like this Soak&Sleep one ...

A great option to do just that is with the double-sized MightySoft Mattress ... ranging from £29.99 to £43.99. This 10cm-thick mattress topper is dense enough and comfortable enough to breathe ...