Adjustable Backrest - The adjustable backrest of this sofa bed offers a versatile 90 to 180-degree range, allowing for customized comfort to suit various needs. Whether you're sitting upright to watch TV, reclining for relaxation, or fully reclining for a restful sleep, this feature ensures the perfect position every time. The flexibility in adjusting the backrest enhances the overall functionality of the sofa bed, making it an ideal choice for those who value both comfort and convenience.