Last week, we shared our latest design: A makeover of a little girl's room for the specific purpose of helping her sleep in her own bed. The makeover, focusing on a few of our favorite sleep tips, was featured on the daytime talk show The Doctors and features items available from Rosenberry Rooms. Today, we're sharing our top tips for using great design to help a child sleep in his or her own room. Window treatments: From nurseries to older children's rooms, we always recommend two types of window treatments—a blackout solution and a light filtering solution. During daytime naps, the light filtering curtains will help control temperature and keep a child from becoming accustomed to sleeping in complete darkness. However, using blackout curtains at night will allow parents to keep consistent hours of sleep, in spite of time changes that allow late evening and/or early morning light in the room. Sound Control: The sonic environment of a child's room is very important. We highly recommend a simple white noise machine for all child spaces (we used a great Munchkin version in this project). This will set a consistent baseline, as well as provide a barrier for other noises (or lack of noises) in the rest of the home. Lighting: All child spaces can benefit from two simple lighting solutions—a dimmer, which allows overhead lights to be lowered in the period before bedtime to "set the mood," and a small light on a timer. The timer should turn the light …