If you are looking for a way to block out the sun but are not one for curtains, one way is to add some custom wood shutters, furniture for your windows.
Shutters can add a beautiful look to the room and allow as much or little light in as you desire.
This is a custom wood shutter installed in the bedroom that is stained espresso color.
This particular shutter has 3 1/2 inch louver with tilt bar outside mount for easy operation.