This Art & Science Night & Day Adjustable Pillow Top Mattress has a 3-zone pocket spring unit that provides excellent lower back support while gentle on the shoulders for side sleepers. Individually pocketed coils conform to the body shape and distribute weight evenly, minimising pressure points and tossing and turning. Partner disturbance and roll-together are virtually eliminated as each spring acts independently, nested in its own fabric pocket. A heavier gauge of wire is used through the cen
