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The Thuma Hybrid offers three firmness options: Plush, Medium, and Firm. I chose Medium because my partner and I (mainly me) fluctuate between different sleeping positions. We both are side sleepers for the most part, but often, I revert to being a stomach sleeper sometime in the night. Both of these sleeping positions require more lumbar support to prevent back pain. But from the first night of testing, it was undeniable that this mattress had a firmer feel. In my experience, beds with medium firmness…
