There are various ways to add charm and value to your room. Here are some advices.
1 You can cut the clutter.
You need to make your clutter special and clean. Do clean those useless things out. Leaving some space out will make light travel better. And if there is no need to some decorations, remove them out.
2 You can add a tray on the table.
It can be no use at all, but it will make your room look more elegant and mystiques. When you are choosing the color, do make it dark and charming. Do not choose those light colors, for example, yellow, blue and white. They will not work to add weight into your room.
If you can help, you can add some small decorations on the wall or near the bed, they will make the room spacey and lighter. But the products you choose should be carefully picked.