Say goodbye to your everyday sports bra, going to sleep with or without a bra, and uniboobs! Bravity is an Anti-Wrinkle Cleavage Sleep Bra created by Andrea Castaneda. She shares the importance of using the Bravity every night along with showcasing the BraviSport. The Bravity sport is a version of a sports bra that also includes Bravity's a Y-shaped separation design.