The 3-in-1 convertible sofa bed can be easily transformed into a sofa chair, chaise lounge, or single bed, creating a versatile and relaxing corner for any room. It includes 2 hidden metal legs that can be conveniently folded for storage when used in chair or lounge modes. The backrest features a 5-level adjustable design, allowing angles of 110°, 127.5°, 145°, 162.5°, and 180° to provide optimal back support and personalized comfort for reading, watching TV, playing games, or napping. With integrated armrests, a soft lumbar pillow, and a padded seat cushion, the sofa bed contours naturally to the body to relieve fatigue. Upholstered in breathable polyester fabric and filled with high-density sponge, it ensures exceptional comfort whether sitting or lying down. Supported by heavy-duty metal legs, the sleeper chair remains stable and durable, with a weight capacity of 330 lbs for long-lasting use. Additionally, 2 universal wheels make it easy to move the sofa bed, and they can be locked