The Casper Wave Hybrid edges ahead in performance with its pocketed‑spring system delivering 8‑point motion isolation (Sleepopolis) and superior cooling via built‑in airflow channels (Consumer Reports). However, Birch’s all‑natural latex construction offers strong edge support and a simpler, potentially longer‑lasting build, and it comes at a lower price point (Wirecutter). For most sleepers se...
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