January 20, 2024 We explain why natural materials like silk and cotton improve sleep quality. The Impact of Natural Materials on Sleep One of the factors that affects sleep quality is bedding material. Natural materials offer many advantages that synthetic fibers do not. Characteristics of Silk Silk is a natural protein fiber that has a composition most similar to human skin. It is excellent in breathability, moisture absorption, and heat retention, making it comfortable to use all year round. Advantages of Cotton Organic cotton is cultivated without the use of chemicals, making it safe for those with sensitive skin. It is characterized by high moisture absorption and a soft texture. The Luxury of Cashmere Cashmere is lightweight while offering excellent heat retention and supreme softness. It supports comfortable sleep even on cold winter nights. Summary Bedding made from natural materials possesses the elements necessary for comfortable sleep, such as gentleness on the skin, breathability, and temperature regulation. At NEMURINA, we use only these highest quality natural materials.