Sleep Number Great Falls 11am-7pm 11am-7pm 11am-7pm 11am-7pm 11am-7pm 11am-7pm 11am-7pm826 10th Ave S. Great Falls, MT 59405 USCorner of 9th St. S and 10th Ave. S.phone(406) 761-3324(406) 761-3324Text StoreEmail UsGet DirectionsView Store Details