We love a nice headboard at Wallpaper* so we've enlisted the world's best bedding and headboard designers, Scholten and Baijings to help us re-imagine the plush architecture of sleep. During the past decade this Dutch design duo has produced a luxe portfolio of vividly striped merino pillows and throws, beds and headboards. 'We start with materials and colors and then try to create a shape or a design,' they explain. 'It's a different approach than starting with a word or a concept or an idea.' As long as that chosen material has a 1000-plus thread count, of course…