This deal from Wowcher
From £119 instead of £257.99 for a seven-layer memory foam mattress from Desire Beds – save 54%
Memory foam mattress: Get a seven-layer Diamond memory foam mattress. Pocket sprung: With 1000 individually-nested pocket spring to provide support for your entire body. Visco-elastic: Plus a two-inch layer of NASA-inspired next generation memory foam which shapes to your body. Reflex foam: As well as layers of reflex foam and memory foam to complete a thick and comfortable mattress. Hypoallergenic: Features a soft, micro-quilted cover which is anti-allergy and anti-dustmite.