Sometimes if I leave the room it's lighter in another one. It didn't work this morning though-I tried to go through my mirror and everything was dark and I got stuck in the mirror! Then either woke-up or had a FA. I can't help expecting it to be dark in my dream now-even when it's bright in my room in the morning, and of course it then is dark. It's very annoying! I might try and find a torch and see if that works, light switches don't work for me, I don't know if a torch would. That's if I can find one in the pitch black!