Are memory foam mattresses hot?
Memory foam in itself is not hot, and does not generate heat. Any heat comes from the body of the person sleeping on it, and this may vary considerably throughout the night. Modern mattresses are designed to maximise air flow through both the foam and the mattress, and use breathable mattress ticking fabric to ensure maximum cooling. Of course the choice of bed sheets and quilts has a large effect on the temperature of the bed, and the choice of cotton sheets and low tog rated quilts and duvets is recommended.
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