This deal from Wowcher
From £49 for a vertigo sprung deluxe cool-touch memory mattress from Mattress Haven – save up to 88%
Get a medium-firm cool-touch semi-orthopaedic sprung mattress. Choose from single, small double, double or king! Tufted top panel with a cool-touch cover for extra comfort. Enjoy a great nights sleep. Hand Tufted with a memory foam layer. Perfect for a warm and cosy night sleep.