Lack of sleep has links to many health issues. Sleep is a complex and dynamic process that affects how you function in ways scientists are now beginning to understand. What exactly does sleep do for your body and mind?
However, sleep involves many important and necessary processes. Sleep affects nearly every part of your health, from brain function to immune strength. [1] sleep occurs in repeating periods, during which the body alternates between two distinct modes:
It's no wonder that quality sleep is sometimes elusive. Sleep is a natural process that helps your body restore energy, supports learning and memory, and keeps you healthy. Sleep is a body process that allows your body to rest, repair and restore itself. You can take steps to improve your sleep habits.
You need sleep to function properly. Getting quality sleep is not just about how many hours you sleep, but how well you sleep. Here’s what researchers know about the science of sleep—including the stages of sleep, your biological clock, health connections and. This webpage describes how your need for sleep.
We tend to think of sleep as a time when the mind and body shut down. Learn what happens in each phase of sleep, how to manage common disruptions,.