The Sleep Number 360 i8 outperforms the p6 with five tracked sleep metrics versus three (per Sleep Number), a 0.5‑second quicker firmness response (per Wirecutter), and a higher durability rating of 4.5/5 compared to 4.0/5 for the p6 (per Consumer Reports). While the i8’s advanced analytics justify its premium, the p6 delivers solid adjustable comfort at a lower cost. For users prioritising dat...