Sleep Number North Charleston 10am-9pm 10am-9pm 10am-9pm 10am-9pm 10am-9pm 10am-9pm 11am-7pm7381 Rivers Ave Suite 102 North Charleston, SC 29406 USphone(843) 628-5692(843) 628-5692at intersection of Rivers Ave. and Ashley Phosphate Road, next to StarbucksGet DirectionsView Store Details