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1. www.sleepfoundation.org › how-sleep-worksHow Sleep Works: Understanding the Science of Sleep

   www.sleepfoundation.org › how-sleep-works

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   23 de oct. de 2020 · REM. Stage 4. REM Sleep. 10-60 minutes. In stage 1, you’ve just dozed off and started transitioning to stage 2, which involves further slowing of activity in the brain and body. It’s much easier to be awoken during these early stages of the sleep cycle. Stage 3 is the deepest part of NREM sleep. In this stage, your muscles and body relax ...

2. www.sleepfoundation.org › how-sleep-works › why-do-we-need-sleWhy Do We Need Sleep? - Sleep Foundation

   www.sleepfoundation.org › how-sleep-works › why-do-we-need-sle

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   5 de abr. de 2024 · Sleep serves a variety of important physical and psychological functions, including: Learning and memory consolidation: Sleep helps with focus and concentration—and it allows the brain to register and organize memories —all of which are vital to learning. Emotional regulation: Sleep helps people regulate their emotions.

3. academic.oup.com › sleepSLEEP | Oxford Academic

   academic.oup.com › sleep

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   Chia-Luen Leu and others. Restless legs syndrome (RLS) is a neurological disorder characterized by uncomfortable or unpleasant sensations in the legs during rest periods. To relieve these sensations, patients move their legs, causing sleep disruption. While the pathogenesis of RLS has yet to be resolved, there is a strong ...

4. www.ninds.nih.gov › brain-basics › brain-basics-understanding-sleepBrain Basics: Understanding Sleep | National Institute of...

   www.ninds.nih.gov › brain-basics › brain-basics-understanding-sleep

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   19 de jul. de 2023 · Sleep is important to a number of brain functions, including how nerve cells (neurons) communicate with each other. In fact, your brain and body stay remarkably active while you sleep. Recent findings suggest that sleep plays a housekeeping role that removes toxins in your brain that build up while you are awake.

5. www.thensf.orgNational Sleep Foundation

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   As the leading authority in sleep health, our promise to the public is to help anyone and everyone be their Best Slept Self ®.. We seek out the latest scientific insights about sleep and turn our findings into simple-to-understand resources that help people get enough of the healthy, restorative sleep they need.

6. www.sleepfoundation.org › stages-of-Stages of Sleep: What Happens in a Sleep Cycle

   www.sleepfoundation.org › stages-of-

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   8 de dic. de 2023 · Stage 3. Stage 3 sleep is also known as N3 or deep sleep, and it is harder to wake someone up if they are in this phase. Muscle tone, pulse, and breathing rate decrease in N3 sleep as the body relaxes even further. The brain activity during this period has an identifiable pattern of what are known as delta waves.

7. www.verywellhealth.com › the-four-stages-of-sleep-27959204 Stages of Sleep: NREM, REM, and the Sleep Cycle - Verywell...

   www.verywellhealth.com › the-four-stages-of-sleep-2795920

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   11 de may. de 2023 · As your body progresses through the four sleep cycle stages—stages 1 through 3 (non-rapid eye movement, or NREM) and stage 4 (rapid eye movement, or REM), it transitions through different biological processes that affect your temperature, breathing, cells, and muscles. All the while, your brain is busy forming, organizing, and storing memories.