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 · Getting enough quality sleep is essential for both mental and physical health. Key benefits of sleep include: Like eating well, staying hydrated, and exercising regularly, getting enough quality …
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 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 …
The 4 Stages of Sleep: What Happens During Each Cycle
6 days ago · The sleep cycle starts with three non-REM stages and one REM stage. Ideally, you repeatedly cycle through each stage. Learn how long each stage lasts.
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 Benefits of Healthy Sleep | Wellness
Sleep is essential for our health. Good sleep helps your body rest, repair, and get ready for the next day. Not getting enough can lead to a higher risk of health issues. How long you sleep and the quality of it …
The Science of Sleep: Understanding What Happens When You Sleep
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 which the body …
Sleep | Psychology Today
Sleep is the balm that soothes and restores after a long day. Sleep is largely driven by the body’s internal clock, which takes cues from external elements such as sunlight and temperature. The...