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1. Dictionary

   Sleeping

   /ˈslēpiNG/

   

   noun

   • 1. the fact, state, or condition of being asleep: "it was 90 degrees at 1 a.m. a few weeks ago and sleeping was near impossible"

   adjective

   • 1. in a state of sleep: "he looked at the sleeping child"

   Scrabble Points: 11

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2. People also ask

   What are some chronic diseases and conditions that can be caused by not getting enough sleep?

   • Not getting enough sleep is linked with many chronic diseases and conditions—such as type 2 diabetes, heart disease, obesity, and depression—that threaten our nation’s health. Not getting enough sleep can lead to motor vehicle crashes and mistakes at work, which cause a lot of injury and disability each year.

   Sleep and Sleep Disorders | CDC

   www.cdc.gov/sleep/index.html

   See all results for this question

   What are the different stages of sleep?

   • Sleep in humans consists of four sleep stages: rapid eye movement (REM) sleep, and three non-rapid eye movement (NREM) sleep stages. Dreams can happen in any sleep stage. It is a popular misconception that dreams only occur during REM sleep.

   How Long Are Dreams? | Sleep Foundation

   www.sleepfoundation.org/dreams/how-long-do-dreams-last

   See all results for this question

   What are the consequences of not getting enough sleep?

   • Not getting enough sleep is linked to many adverse effects, including impaired focus and decision-making and an increased risk of heart disease, obesity, diabetes, and Alzheimer’s. Everyone has unique needs and preferences, and individual sleep requirements are no different.

   How Many Hours of Sleep Do You Really Need? - Healthline

   www.healthline.com/nutrition/how-much-sleep-you-need

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   What are the benefits of sleep?

   • Sleep is a powerful stress-reliever. It improves concentration, regulates mood, and sharpens judgment and decision-making. A lack of sleep not only reduces mental clarity but our ability to cope with stressful situations. This is due, in part, to the impact of chronically high levels of cortisol.

   Why Do We Need Sleep? | Sleep Foundation

   www.verywellhealth.com/why-you-should-never-regret-a-good-night-s-sleep-5088198

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3. en.wikipedia.org › wiki › SleepSleep - Wikipedia

   en.wikipedia.org › wiki › Sleep

   • Cached

   4 days ago · 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 interactions with the surrounding environment.

4. www.britannica.com › science › sleepSleep | Definition, Patterns, Deprivation, & Theories ...

   www.britannica.com › science › sleep

   • Cached

   Jun 8, 2024 · Sleep is a normal, reversible, recurrent state of reduced responsiveness to external stimulation that is accompanied by complex and predictable changes in physiology. Learn about the behavioral, physiological, and subjective criteria for defining sleep, as well as the stages, functions, and disorders of sleep.

   • Sleep is a normal, reversible, recurrent state of reduced responsiveness to external stimulation accompanied by complex and predictable changes in...
   • Studies suggest that healthy adults between ages 26 and 64 need about 7 to 9 hours of sleep per night. Adults over age 65 need roughly 7 to 8 hours...
   • Rapid eye movement, or REM, sleep is the stage of sleep during which dreams prevail. Although dreaming can also occur during non-rapid eye movement...

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6. www.sleepadvisor.org › sleep-stagesWhat are the 4 Stages of Sleep? - Sleep Advisor

   www.sleepadvisor.org › sleep-stages

   • Cached

   Jun 18, 2024 · As you sleep, your brain cycles through 4 stages of sleep: Stage 1 (N1), Stage 2 (N2), Stage 3 (N3), and Stage 4 (REM Sleep). These stages fall within two larger phases of sleep, known as Non-REM and REM.

7. www.healthyplace.com › other-info › sleep-disordersSleep Basics: Why We Sleep and the Sleep Cycle | HealthyPlace

   www.healthyplace.com › other-info › sleep-disorders

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   5 days ago · Learn the sleep basics - why we sleep. How the sleep cycle, or the stages of sleep, work. Why your circadian clock, circadian rhythm, is the key to good sleep. Why Do We Sleep? Sleep is a process needed by the body as much as food or water and yet is not completely understood.

8. www.helpguide.org › harvard › biology-of-sleepThe Stages of Sleep: REM and Non-REM Sleep Cycles - HelpGuide.org

   www.helpguide.org › harvard › biology-of-sleep

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   Jun 6, 2024 · During sleep, you progress through a series of distinct physiological stages, including REM sleep and deep Sleep. Learn more about the biology of sleep.

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9. www.merriam-webster.com › dictionary › to sleepTo sleep Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › to sleep

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   Jun 18, 2024 · The meaning of TO SLEEP is until one/someone falls asleep. How to use to sleep in a sentence.

10. www.helpguide.org › articles › sleepInsomnia Causes, Symptoms & Cures What to Do When You Can't Sleep

    www.helpguide.org › articles › sleep

    • Cached

    Jun 18, 2024 · What is insomnia? Insomnia is the inability to fall asleep or stay asleep at night, resulting in unrefreshing or non-restorative sleep. And it’s a very common problem, one that takes a toll on your energy, mood, and ability to function during the day. Chronic insomnia can even contribute to serious health problems.