Macon & Robins Bed & Mattress, local bed and mattress stores, are open to help locals find what they need for a good night’s sleep.The stores have three locations, two in Macon and one in Warner Robins. The Mercer location is located at 3815 Mercer University Drive in Macon, and is open Monday through Friday from 9 a.m. to 7 p.m., Saturday from 9 a.m. to 6 p.m., and Sunday from 12 p.m. to…