While Smith didn&rsquo;t add actual space to the home&rsquo;s second floor, she was able to add spaciousness. Smith is inspired, in part, by Japanese architecture where a simple, contextual aesthetic predominates design. &ldquo;The negative space is almost more important than what you fill a room with,&rdquo; she explains. The bed was designed by her brother, Dave Smith, of Ingrain Furniture in Seattle. - DEBORAH DEGRAFFENREID