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Tern | 12" Hybrid Mattress
Tern | 12" Hybrid Mattress
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The Noctua Tern was created for sleepers who want a hybrid that feels both advanced and adaptable. Designed with a focus on cooling, pressure relief, and reliable support, the Tern blends the contouring comfort of premium foams with the durability of a pocketed spring base. Its copper-infused materials and phase change technology help regulate temperature for a fresher, cleaner sleep environment, while the responsive coil system ensures consistent lift and long-lasting structure.
Available in both Medium and Firm comfort levels, the Tern gives you the choice between a more cushioned, gently contouring surface or a sturdier, more supportive feel—so you can find the balance that best suits your sleep style.

Have a look inside the Tern Build
Noctua Tern Firm
Ideal for back and stomach sleepers, the Tern Firm delivers a cooler, more solid sleep experience with increased lift and alignment.
1.5” Copper Gel AeroFusion® Memory Foam with PCM Technology
Regulates body temperature and reduces odor and bacteria, while maintaining a firmer feel.
1” Firm Transition Foam
Enhances stability and prevents excess sink for stronger spinal support.
8” Pocketed Springs with Foam Encasement
Provides sturdy, full-body support with minimal motion disturbance.
1.5” Flex Support Base Foam
Strengthens the base and improves overall performance.
Noctua Tern Medium
Great for side and combination sleepers, the Tern Medium provides gently contouring comfort with targeted airflow and cooling.
1.5” Copper Gel AeroFusion® Memory Foam with PCM Technology
Infused with copper and phase-change material for a cleaner, cooler sleep surface that adjusts to your body temperature.
1” Gel Swirl Transition Foam
Adds a breathable, pressure-relieving layer between foam and coils for balanced comfort.
8” Pocketed Springs with Foam Encasement
Offers durable support and edge stability while reducing motion transfer.
1.5” Flex Support Base Foam
Reinforces structure and prolongs mattress life.