A breast separator is provided that may comprise a top side a bottom side and a pair of lateral sides extending between the top side and the bottom side, the pair of lateral sides having concave edges partially surrounding openings, the openings adapted to receive a pair of breasts of a user wherein the top side, the bottom side, and the pair of lateral sides are adapted to prevent the pair of breasts of the user from substantially moving outside of the openings when the user is laying on at least one of their side and their stomach.