Jul 10, 2025 · Everyone needs sleep, but about one in three American adults don’t get enough of it. The consequences of sleep deprivation are serious, so it’s worth learning why sleep matters, how it …

Mar 24, 2022 · Learn about how sleep works and why it is important for your physical and mental health.

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 …

Sleep is a biological necessity, and insufficient sleep and untreated sleep disorders are detrimental for health, well-being, and public safety. Healthy People 2030 includes several sleep-related objectives …

Sleep is essential to physical and mental health, as it helps body and mind recover and rejuvenate from stressors of everyday life. As a result, when we sleep well, research suggests we are more …

Jul 27, 2025 · Sleep is not just the absence of wakefulness. It is not a passive shutdown. It is an active, dynamic, and vital process—a cycle of electrical storms, chemical symphonies, and cellular …

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, and simple ways …

Nov 5, 2025 · Sleep gives the body time to heal and supports healthy growth. During sleep, hormone levels change and muscles relax, allowing tissues to heal and the body to build muscle and …

When you’re asleep, your body “powers down” and most body systems — including your brain — become less active. Some of the key things that happen while you’re asleep include: Energy …

3 days ago · Sleep has emerged as the most important factor for life expectancy bar smoking in a new study from Oregon Health & Science University.