Sleep Number Lake Grove 11am-7pm 11am-7pm 11am-7pm 11am-7pm 11am-7pm 11am-7pm 11am-7pm145 Alexander Ave. Lake Grove, NY 11755 USnear Aldi, next to IHOPphone(631) 724-6070(631) 724-6070Text StoreEmail UsGet DirectionsView Store Details