These days, and so far range from classic to new contemporary. Before buying a leather sleeper sofa you need to consider the size of your room, if you have space constrained than go for Twin sleeper sofa and when the space is not an issue a queen size is suitable. Buy a sofa bed with hardwood frame. Avoid buying frame is made of softer woods such as Pine. There should be smooth open and close motion with no squeaking or sticking. A sleeper sofa in leather with lockdown bar is preferred to ensure proper closure and easy opening. A good sofa with good mattress with form innerspring construction should be preferred. All the sofa beds inner mechanism should have smooth edges to avoid any injuries in ribbing of blankets.