Helix Midnight Mattress

The Helix Midnight is the brand's best-selling Core hybrid and a medium-feel mattress made for side and combination sleepers. On Helix's 1-10 firmness scale it lands around a 6, giving a cozy, cushioned surface with enough support underneath to keep the spine aligned. Individually wrapped coils and premium foams work together to relieve pressure at the shoulders and hips while still feeling balanced. Built as a hybrid with comfort foams over a pocketed-coil core, it was engineered with ergonomic scientists and sleep specialists to balance contouring and support. It stands roughly 11.5 inches tall and comes standard with the Breathe Knit cover. Best for: side and combination sleepers wanting a balanced medium feel Firmness: medium (about 6/10) Hybrid build: premium foams over individually wrapped coils Optional upgrades: GlacioTex Cooling Pillow Top cover and ErgoAlign support layer 120-night sleep trial, free shipping, and a limited lifetime warranty