Collection: Plank Mattresses

Discover the Firmest Sleep Ever with Plank Mattresses.

Engineered for those who prefer an ultra-firm sleep surface, Plank mattresses are designed to support a neutral spine alignment and reduce pressure point strain. This mattress brand, offers two unique firmness levels, ultra-firm on one side and firm on the other, letting you choose what your back needs most.

Crafted in the USA with durable, high-density foams, Plank delivers lasting support and reduced motion transfer for uninterrupted rest. It's the perfect choice for back sleepers, stomach sleepers, or anyone seeking a mattress that doesn’t sink.

Shop Plank at SleepCity today and experience a firm, supportive sleep, backed by expert guidance and free local delivery.