https://www.bunkbedsstore.uk/p....roducts/inofia-doubl
A Firm Double Mattress Balances Comfort and Support A double mattress that is firm balances comfort and support. It's perfect for back sleepers. Firmer mattresses can help prevent sagging, which can cause back pain. They also distribute the weight evenly, which reduces pressure on muscles and joints. For back and stomach sleepers, or for people with a large body, a bed that is firm is recommended. However, it may be uncomfortable for side sleepers. Comfort The right mattress can mean the difference