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Overview. What is sleep? Sleep is a normal body process that allows your body and brain to rest. At first glance, sleep is deceptively simple. For most people, it’s just a matter of getting comfortable, closing your eyes and drifting into slumber.
Feb 2, 2024 · Sleep is the single most effective thing you can do to reset the health of your brain and body. Matthew Walker, Ph.D. SleepFoundation.org’s Scientific Advisor. Learn About Matt. Listen to the Matt Walker Podcast. Best Mattress of 2024 Expert Tested and Sleeper Reviewed. How Much Deep Sleep Do You Need? Obstructive Sleep Apnea.
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...
Oct 23, 2020 · Sleep is a complex and dynamic biological process that still isn’t fully understood. Learn about how sleep works and why it’s vital for overall health.
Why is sleep important? Proper sleep has many health benefits and is essential for optimal well-being. Lack of sufficient sleep can trigger mild to potentially life-threatening consequences, from weight gain to heart attacks. Partial sleep deprivation occurs when you get some sleep but not 100% of what your body needs.
Why do we need to sleep? People often think that sleep is just “down time,” when a tired brain gets to rest, says Dr. Maiken Nedergaard, who studies sleep at the University of Rochester. “But that’s wrong,” she says. While you sleep, your brain is working. For example, sleep helps prepare your brain to learn, remember, and create.
Dec 2, 2021 · An average sleep cycle lasts about 90 minutes. Ideally, you need four to six cycles of sleep every 24 hours to feel fresh and rested. Each cycle contains four individual stages: three that form ...
