Save 400 on 'ultra comfortable' cooling mattress before the heatwave returns

Dreams has slashed 400 off its 'ultra comfortable' cooling mattress shoppers say is the 'best ever' ahead of next week's heatwave

Money

Grace Salmon Lifestyle Content Creator

14:55, 23 Jul 2026

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[Dreams cooling mattress]

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Before the arrival of next week's heatwave, Dreams shoppers can save 400 on its cooling mattress(Image: Dreams)

With another heatwave set to return next week, if you haven't already upgraded your bedroom for the hot weather, now is the time. Considering we spend around one-third of our lives sleeping, it is well worth investing in a quality mattress and bedding. And luckily, Dreams has slashed the price of its TheraPur ActiGel Polar 1000 Combination Mattress from 999 to 599.

Featuring genius cooling technology, such as the ActiGel foam that helps optimise airflow so you feel cooler from top to bottom throughout the night, this soft mattress is a lifesaver in hot weather. It's also topped with an ActiCool cover, a clever design feature that helps draw heat away from your body for a cool, restful night's sleep.

Not only will this mattress stop you from overheating, but its eco polyester and individually wrapped pocket springs help distribute your weight and provide a soft, supportive base.

[Dreams cooling mattress]

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The mattress features genius cooling technology(Image: Dreams )

Dreams shoppers have been raving about this buy for its cooling properties and comfy design. One shopper wrote, "Best mattress ever! Ultra comfortable and great value for money. Slept like a dream in this hot weather!"

A second added, "Quality of sleep has improved significantly since having this mattress. It is very comfortable, and the cooling aspect has handled the recent heatwaves"

The only criticism came from one shopper who said, "Comfy after a couple of weeks to soften the foam, first few weeks not so comfy as pretty firm, but does soften up to be pretty comfy and some good quality sleep".

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If you're looking to spend a little more, our Head of Lifestyle loves the Tempur at Dreams Pro SmartCool Mattress, starting from 1,499. Michelle says, This mattress has been a godsend its really helped with my peri-menopausal sweats and lower back pain. For those who are serious about slumber, this is the ultimate buy from Dreams. With smart-cool technology woven into the zip-off, washable cover, it absorbs excess heat, keeping you feeling fresh all night."

Elsewhere, our Shopping Lead loves Simba's Hybrid Mattress, starting from 699. Zoe says, "If you think a mattress can't make a difference in a heatwave, think again. I've been so thankful for my Simba Hybric this month its breathable cover and graphite-infused Simbatex foam mean 5x more airflow than a memory foam mattress. Plus, the clever Aerocoil microsprings work to make sure your partner's tossing and turning wont wake you."

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