hi...I guess u already delivered so god bless d baby yes it's a belt easily available at ny pharmacy or online site tooo....u can sleep while wearing it. my sis-in-law gynecologist made her wear jst after her delivery nd she didn't stop wearing evn for a minute only wen she used to hav bath den only nd she doesn't hav ny post delivery belly md yes make sure u drink warm water as its summer try to have lukewarm water early mrng before nd after ur meals rest don't have chilled water