Well light room looks bigger.
Make your window draper with thin cloth to bring natural light into your room. You can use blind to allow sunlight into the room.
To provide good illumination without clutter add some recessed or track lighting which resides in the ceiling.
Instead of space-consuming table and floor lamps use wall lamps to save valuable floor space & avoid clutter.
Mirrors are interior designer’s favourite for years to make small room appear big & bright.Clever use of mirror can increase the perceived size of room.
A large mirror placed opposite entry way or a bright window reflects natural light & makes room airy & open.
A large Mirror hanged at wall or stand against the wall can create the illusion of more space.
You can put mirrors on closet doors & add depth to the room.
Use these tricks & your imagination to transfer your small room into a cosy retreat.I'd love to hear from you on how you do it on comments below