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1. sleep.hms.harvard.edu › education-training › public-educationScience of Sleep: What is Sleep? | Sleep Medicine - Harvard...

   sleep.hms.harvard.edu › education-training › public-education

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   1 paź 2021 · Sleep is a state that is characterized by changes in brain wave activity, breathing, heart rate, body temperature, and other physiological functions. Depending on the sleep stage, different physiological functions may be more active and variable (for example, during REM sleep), or less active and more stable (for example, during NREM.

   • Healthy Sleep

     Healthy Sleep - Science of Sleep: What is Sleep? | Sleep...

   • Apnea

     Apnea - Science of Sleep: What is Sleep? | Sleep Medicine -...

   • Get Sleep

     Get Sleep - Science of Sleep: What is Sleep? | Sleep...

   • Insomnia

     Insomnia - Science of Sleep: What is Sleep? | Sleep Medicine...

   • Narcolepsy

     Narcolepsy - Science of Sleep: What is Sleep? | Sleep...

   • Profiles of Changes with Age

     Time spent in sleep, preferred bedtime and wake times, and...

   • Jet Lag and Shift Work

     The Takeaway. Traveling across time zones can disrupt...

   • Science of Sleep

     If sleep does occur following the intake of caffeine, the...

2. sleepdoctor.com › how-sleep-works › what-is-sleepWhat Is Sleep? Why, When, and How Our Bodies Rest - Sleep Doctor

   sleepdoctor.com › how-sleep-works › what-is-sleep

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   22 sty 2024 · Sleep is a vital natural process that allows the body and mind to rest and recover. The sleep cycle consists of distinct stages, including NREM and REM sleep, each with a specific role in maintaining your health. Sleep is regulated by your circadian rhythm, and its importance extends to cognitive, emotional, and physical health.

3. my.clevelandclinic.org › health › bodySleep: What It Is, Why It’s Important, Stages, REM & NREM

   my.clevelandclinic.org › health › body

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   Sleep is a natural process that your body uses to rest and repair itself. While it might seem as simple as closing your eyes and nodding off, sleep is anything but simple. In fact, modern medicine’s understanding of sleep, what it does and how it works is just getting off the ground.

4. www.psychologytoday.com › us › basicsSleep | Psychology Today

   www.psychologytoday.com › us › basics

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   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...

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

   www.sleepfoundation.org › how-sleep-works

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   23 paź 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.

6. health.clevelandclinic.org › your-complete-guide-to-sleepSleep: How Much You Need and Its 4 Stages - Cleveland Clinic...

   health.clevelandclinic.org › your-complete-guide-to-sleep

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   3 gru 2021 · When you sleep, your body rests, recovers and rebuilds itself through four stages. Here’s how much sleep you need to feel rested.

7. www.sleepfoundation.org › sleep-hygiene › what-is-healthy-sleepWhat Is Healthy Sleep? - Sleep Foundation

   www.sleepfoundation.org › sleep-hygiene › what-is-healthy-sleep

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   2 lut 2024 · Healthy sleep is a basic need that is closely tied to health and wellbeing. Learn what healthy sleep looks like and how to get it.