⭐ 4.9 out of 5 stars — and counting ⭐ Across our stores, guests consistently rate their experience as highly recommended for one reason: we put your sleep first. From expert guidance to top brands and great deals, we’re proud to be a place South Dakota trusts for better sleep. 🛌✨ Come see why so many customers choose Mattress Firm! #bettersleep #sleepexperts #mattressfirmsouthdakota #siouxfallssd #shoplocalsd | Mattress Firm South Dakota