Sleep - Wikipedia
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 and …
Benefits of Sleep: Improved Energy, Mood, and Brain Health
Jul 22, 2025 · Sleep is a complex biological process made up of several stages that cycle throughout the night. These stages include rapid eye movement (REM) sleep and non-REM sleep, each of which …
Sleep tips: 6 steps to better sleep - Mayo Clinic
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 — from work stress …
What happens during sleep — and how to improve it
Jun 1, 2025 · Sleep impacts 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, and simple ways …
Sleep: What It Is, Why It’s Important, Stages, REM & NREM
You spend about one-third of your life sleeping, but it’s still something many struggle with. Researchers and experts also struggle with it because of the mysteries surrounding how and why we sleep and …
About Sleep | Sleep | CDC
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 amount of sleep …
The Science of Sleep: Understanding What Happens When You Sleep
Throughout your time asleep, your brain will cycle repeatedly through two different types of sleep: REM (rapid-eye movement) sleep and non-REM sleep. The first part of the cycle is non-REM sleep, which …
Healthy Sleep - MedlinePlus
2 days ago · Sleep is a natural process that helps your body restore energy, supports learning and memory, and keeps you healthy. During sleep, your brain cycles through different stages of non …
11 surprisingly simple, expert-backed fixes for dramatically better ...
Dec 1, 2025 · Everyone has trouble sleeping from time to time, even sleep scientists. This is what they do to beat insomnia.
8 hours isn’t the golden rule for sleep. You might only need 6 | CNN
3 days ago · A sleep scientist advises against blindly following the eight-hour sleep rule. Instead, you should create a routine to find your optimal sleep time.