do you do anything to avoid disturbing him/her?

We have the crib in our room and it will be there for a while due to our house layout. LO is 6 months and when we go to bed we have to keep it dark, be super quiet, etc. We do have white noise but I'd love to know if anyone has a solution for blocking low levels of light from the crib. A curtain in the room? A canopy?