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 …

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 …

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 …

Mar 1, 2026 · Here’s why sleep matters so much – plus how to fall asleep faster and stay asleep longer.

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...

May 15, 2024 · Talk to your healthcare provider if you regularly have problems sleeping or notice signs or symptoms of common sleep disorders. Your provider can run tests, including sleep studies, to tell …

Feb 25, 2025 · Sleep affects almost every type of tissue and system in the body—from the brain, heart, and lungs to metabolism, immune function, mood, and disease resistance.

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 …

If you're having trouble sleeping, knowing how to sleep better can make a big difference. On this page you’ll find practical tips to help you to build good sleep hygiene and sleep better.

Apr 18, 2026 · Sleep boosts your mood, memory, and metabolism. Find out how restful nights support everything from energy to heart health.