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 …

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 …

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 …

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 …

Jun 19, 2023 · 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 …

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 …

Dec 9, 2025 · 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 …

Jan 22, 2026 · Build sleep-friendly habits by keeping a consistent schedule, limiting late caffeine, alcohol, food, and fluids, and using relaxation techniques. A good night’s sleep is just as important for...

Feb 17, 2026 · Sleep is a cornerstone of human health, a window of time in which the body repairs itself, memories are consolidated, and vital systems are brought back into balance.

Jan 27, 2026 · A typical sleep cycle lasts about 90 to 110 minutes, consisting of different stages: non-REM sleep stages 1, 2, 3, and the REM (Rapid Eye Movement) stage. Most adults experience 4 to 6 …