Maybe it's not possible if you're sharing a room, but in the past I was in a similar situation with regard to natural light. I turned off the ceiling fluorescen

Maybe it's not possible if you're sharing a room, but in the past I was in a similar situation with regard to natural light. I turned off the ceiling fluorescents and brought in incandescent desk and floor lamps. It made the room much more comfortable and got rid of my headaches.