Gone are those days when people used to just paint their bedrooms in bright colors. Nowadays people tend to go for newer techniques to beautify the walls of their bedrooms. Wall paints tend to come out after a few years, so a superior method for wall decoration would be wallpapers.
You should start with choosing the right designs for the wallpaper. You can either use a single design or different designs and patterns for different walls. The brightest shade of wallpaper should be used for the wall which is just behind the bed. Some themes which you can employ in case of wallpapers are floral, nature and geometrical patterns.
The main idea about the designs and patterns you use for the bedroom wallpapers should be that it should give out a warm and pleasant vibe when you enter. The feel of the bedroom should be calming and peaceful.