Sleep is an essential part of life, providing a period of rest and rejuvenation for the body and brain. While most people know that sleep is important, many may not be aware of the complex and fascinating processes that occur during a night’s rest. In this article, we explore the basics of sleep, including the different stages and cycles, the function of dreams, and the causes and treatments of insomnia. Whether you’re struggling with sleep difficulties or simply curious about this important aspect of health and well-being, read on to learn more.