The Science of sleep
The Science of Sleep: Unlocking the Secrets of a Restful Mind Sleep is one of the most fundamental aspects of human life, yet it remains one of the most mysterious. We spend about a third of our lives asleep, and for good reason: sleep is essential for both physical and mental health. But what exactly happens when we sleep? Why is it so important? Let’s explore the fascinating science behind sleep. What Is Sleep? Sleep is a naturally recurring state of rest characterized by altered consciousness, reduced sensory activity, and inhibition of nearly all voluntary muscles. It is regulated by two main systems in the body: the circadian rhythm and the sleep-wake homeostasis. Circadian rhythm is your internal body clock, which follows a roughly 24-hour cycle. It responds primarily to light and darkness in your environment. Sleep-wake homeostasis tracks your need for sleep. The longer you’re awake, the stronger your drive to sleep becomes. The Stages of Sleep Sleep is not a uniform state ...