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  1. www.health.harvard.edu › staying-healthy › rem-sleepREM sleep: What is it, why is it important, and how can you ...

    Sep 9, 2024 · All sleep is important, but REM sleep plays a key role for brain health and function. What is REM sleep? Rapid eye movement (REM) sleep is part of your body's normal sleep cycle. Each of your body's sleep cycles lasts about 80 to 100 minutes. Most of us experience four to six sleep cycles per night.

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  3. ouraring.com › blog › sleep-stagesWhat Are the 4 Stages of Sleep? - Oura Ring

    Sep 22, 2024 · There are traditionally 4 stages of sleep: awake, light, deep, and REM sleep. Each one plays an essential role in maintaining your mental and physical health. As you’re reading about sleep, you may also see the terms “NREM” or “NREM Stages 1-4.” These are simply other terms for the phases of sleep.

  4. www.huffpost.com › entry › sleep-latency-fall-asleepSleep Latency: What To Know About How Long It Takes You To ...

    5 hours ago · “The National Sleep Foundation suggests that it should take about 15 to 20 minutes for a healthy person. However, people are complex, so we may have more issues that stop us from falling asleep soundly that are likely out of our control.” People with health conditions, for example, may take 30 or 40 minutes, she said.

  5. www.healthline.com › health › sleepDream Cycle: Sleep Stages, REM vs. NREM, Changing Your Dreams

    Sep 13, 2024 · Sleep happens in two main stages. There’s rapid eye movement (REM) sleep and non-rapid eye movement (NREM) sleep. NREM is further split into three distinct substages: N1. N2. N3. When you...

  6. aeon.co › essays › tender-and-creative-is-the-nightTender and creative is the night: on the benefits of insomnia ...

    Sep 12, 2024 · The latest statistics suggest that one in six of us cannot get to sleep, or stay asleep, a figure that is higher for women. At the last count, 8 per cent were taking sleep medication and 11 per cent were regularly splashing out on sleep aids. In 2019, the global market for sleep products was valued at $74.3 billion.

  7. www.abc.net.au › news › healthNot getting enough sleep? This is what's happening to your ...

    Sep 3, 2024 · Australian guidelines say adults between the ages of 18 and 65 should have seven to nine hours of sleep per night and those over 65 need seven to eight hours. Sleep medicine researcher Hannah Scott from Flinders University says about 25 per cent of people around the world don't get enough sleep each night.

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  9. www.health.harvard.edu › diseases-and-conditionsInsomnia - Harvard Health

    Sep 15, 2024 · Insomnia is difficulty getting enough sleep or trouble sleeping without interruption. You may have difficulty falling asleep, may wake up too early, or may wake up periodically during the night. Insomnia of any kind can keep you from feeling rested and refreshed during the day. Almost all of us have episodes of insomnia at some time, but ...