This deal from Wowcher
From £159 for a cool-flex full memory foam mattress, 2 in or 3 in of memory foam from Mattress Haven – save up to 80%
Dreams can come true with a Cool-Flex Full Foam Mattress. First layer of “High Density Foam Base” and Second layer of “Memory Foam” on top. Available in 4 sizes: single, small double, double or king. Protection against asthma and allergy Aims to relieve pressure points as it contours to your body. Have a comfy night’s sleep!