The Harmony Adjustable Base is a powered adjustable mattress base designed for customizable head and foot positioning. It supports compatible mattresses and can improve comfort for sleepers who prefer elevated, reclined, or lounge-style positions. Construction and features Powered adjustable base with head and foot articulation. Designed for compatible foam, latex, and hybrid mattresses that can flex on an adjustable frame. Feature set varies by size and current product configuration. May include remote operation, preset positions, and comfort settings depending on the model. Compatibility and fit Choose the size that matches the mattress and room setup. Confirm the mattress is approved for adjustable-base use. Split configurations may require two bases for independent side adjustment. Check current product page for dimensions, weight capacity, and supported features. Setup and care notes Assemble and operate according to the included instructions. Place on a stable, level surface. Keep moving parts clear of bedding, cords, and obstructions. Follow all safety and electrical guidance included with the base. Shipping, trial, and warranty details Current shipping, delivery, return, and warranty details should be confirmed on the live product page and Nest Bedding policy pages. Best uses Sleepers who want customizable head and foot elevation. Couples using split mattress configurations. Bedrooms where an adjustable sleep or lounge position is preferred. Compatible Nest Bedding mattresses and other adjustable-base-ready mattresses.