A double mattress https://brionexi.ua/ru/matrasy/dvuspalnye-matrasy/ is the basis of a comfortable sleep for a couple. It should be spacious enough so that each person can freely change their body position at night without disturbing the other. Modern double mattresses often have hardness zones, independent spring blocks or springless fillers that provide individual body support. They are designed to give both partners maximum comfort and quality rest. A properly selected mattress ensures not only deep sleep, but also a healthy back.