Sleep is a fundamental aspect of human life, influencing everything from mood and cognitive function to overall health and well-being. As we strive to enhance our sleep quality, many factors come into play, including our sleep environment, bedtime routines, and even the materials we choose for our bedding. One of the often-overlooked elements that can significantly impact sleep quality is the pillowcase we use. Among the various options available, black silk pillowcases have gained popularity for their luxurious feel and potential benefits for sleep. Silk, a natural protein fiber, has been revered for centuries not only for its softness and sheen but also for its unique properties that can enhance…