Single bed: Get a single bed or trundle. Slats: With sprung slats to provide a high level of support and comfort. Practical: A practical and stylish addition to your guest room. Mattress: Upgrade to get a medium firm feel memory foam mattress with your day bed, trundle or even two mattresses with both! Double: Get a matching trundle bed with a day bed to double up for any unexpected guests. Design: Swirling curves of the soft white steel add a dramatic touch to both traditional and contemporary rooms.