Sleep is a state of reduced mental and physical activity in which consciousness is altered and certain sensory activity is inhibited. During sleep, there is a marked decrease in muscle activity …

Feb 29, 2024 · Like eating nutritious food, drinking water, and exercising regularly, getting quality sleep is an important component of overall health. Although the exact reasons humans need …

Dec 3, 2021 · Sleep is a catch-all that benefits your physical, mental and emotional health. When you’re sleeping, your body has the chance to rest and recover — and these restorative …

May 15, 2024 · About Sleep Key points Good sleep is essential for our health and emotional well-being. Getting enough sleep and good sleep quality are essential for healthy sleep. The …

Sleep accounts for one-quarter to one-third of the human lifespan. But what exactly happens when you sleep? Before the 1950s, most people believed sleep was a passive activity during …

Jun 1, 2025 · Sleep affects nearly every part of your health, from brain function to immune strength. Learn what happens in each phase of sleep, how to manage common disruptions, …

Oct 1, 2021 · Fifty years of research on brain activity and physiological patterns of sleeping has revealed a great deal about what sleep is and what it is not. We all have at least a vague …

Learn sleep and circadian basics and get familiar with the master clock that controls sleep and circadian rhythms throughout the day.

Nov 4, 2024 · Most adults should aim to get 7 or more hours of uninterrupted sleep each night. Keep reading to learn about habits for getting good sleep and what to do if you find it hard to …

Jan 31, 2025 · Consider simple tips for better sleep, from setting a sleep schedule to including physical activity in your daily routine. Many factors can interfere with a good night's sleep — …