There is no such statement. It needs to be judged according to your needs. Both materials have their advantages and disadvantages. Silk Sheets: Known for their luxurious feel, breathability, moisture-wicking properties, and being hypoallergenic. They are more expensive and require gentle care, such as handwashing or delicate machine cycles. Cotton Sheets: Offer softness, durability, affordability, and ease of care, withstanding regular machine washing and drying. They are breathable, providing comfort in various climates, and also hypoallergenic.