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     Pictured: Public schoolboy, 17, who attacked sleeping students and teacher with hammers he kept 'for zombie apocalypse'

     A public schoolboy who attacked two sleeping students and a teacher with hammers at a boarding school has been identified. Thomas Wei Huang, 17, was publicly identified after ...

     LBC

     18 hours ago

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     The Independent

     Hammer-wielding public schoolboy who attacked fellow students as they slept named by judge

     16 hours ago

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     The Irish Times

     If you need a reason to stay in bed this bank holiday, here’s what too little sleep is doing to you

     5 days ago

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     Sky News via Yahoo

     Thomas Wei Huang: Public schoolboy who attacked sleeping students with hammers named for first time

     22 hours ago

   • Northern Echo

     'Those words still play on repeat': Mum of murdered teen says life 'changed forever'

     He spoke of a long-term injury to his shoulder, affecting future career aspirations, and how he struggles with his mental health – saying ...

     18 hours ago

   • CNET

     How to Share Your Bed With Pets Like a Pro: A Roundup of Our Experts' Advice

     2 days ago

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2. www.healthline.com › health › sleep-deprivationSleep Deprivations Stages: The 5 Stages and What They Mean

   www.healthline.com › health › sleep-deprivation

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   4 days ago · Sleep deprivation can occur after just 24 hours of no sleep, and the symptoms become more severe the more time you spend awake.

3. www.healthline.com › health › can-you-die-from-lackCan You Die from Lack of Sleep? Here’s What We Know

   www.healthline.com › health › can-you-die-from-lack

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   Apr 28, 2020 · To put it plainly, going without sleep for 3 days or longer is very dangerous. The side effects listed above will only get worse. You’ll probably start experiencing more frequent...

   • Author: Crystal Raypole

4. Videos

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     4:50

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     What Happens To Your Body And Brain If You Don't Get Sleep | The Human Body

     26 Dec 2017

     6.7M views

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     4:25

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     How does five hours of sleep increase the risk of developing chronic diseases? | ABC News

     19 Oct 2022

     8.4K views

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     1:51

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     Dangers of Sleep Deprivation - Health and Safety

     29 Apr 2016

     44.8K views

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5. www.nhs.uk › conditions › insomniaInsomnia - NHS

   www.nhs.uk › conditions › insomnia

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   Insomnia that lasts 3 months or longer is called long-term insomnia. How much sleep you need. Everyone needs different amounts of sleep. On average: adults need 7 to 9 hours; children need 9 to 13 hours; toddlers and babies need 12 to 17 hours; You probably do not get enough sleep if you're constantly tired during the day. What causes insomnia

6. theconversation.com › how-dangerous-is-insomniaHow dangerous is insomnia? How fear of what it’s doing to ...

   theconversation.com › how-dangerous-is-insomnia

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   Oct 18, 2023 · First, most of these studies ask participants to report how long they typically sleep. Those reporting less than six hours a night show a small but statistically elevated risk of...

7. www.medicalnewstoday.com › articles › sleep-cycle-stagesSleep cycle stages: Chart, durations, and how to improve sleep

   www.medicalnewstoday.com › articles › sleep-cycle-stages

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   Nov 30, 2020 · There are four sleep cycle stages, beginning with light sleep and ending with REM sleep. Each stage has a different effect on the body, and each is important for sleep quality.

8. www.health.com › how-long-can-you-go-without-sleepHow Long Can You Go Without Sleep? Risks and Effects - Health

   www.health.com › how-long-can-you-go-without-sleep

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   Jan 19, 2024 · How long you can go without sleep varies, but you will likely start feeling the effects of no sleep after just 24 hours. Here's what to expect.

9. People also ask

   What happens after 24 hours of sleep deprivation?

   • After 24 hours of sleep deprivation, you may notice the following symptoms: After 36 hours without sleep, you may experience increased mood changes, alterations in brain function, and physical symptoms. You might also begin to hallucinate. After going a day and a half without sleep, you may experience the following:

   How Long Can You Go Without Sleep? Risks and Effects - Health

   www.health.com/how-long-can-you-go-without-sleep-8404618

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   When is deep sleep most difficult?

   • A person will experience the most deep sleep during the first half of the night. With each sleep cycle, the amount of deep sleep decreases. This is the stage people typically find most difficult to wake from. If a person wakes during deep sleep, they may feel mentally foggy for around 30–60 minutes.

   Sleep cycle stages: Chart, durations, and how to improve sleep

   www.medicalnewstoday.com/articles/sleep-cycle-stages

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   What happens if you don't sleep for 72 hours?

   • Because of that, research on the effects of no sleep for 72 hours tends to be older. But researchers had been able to determine that staying away for 72 hours could cause symptoms similar to those of acute psychosis, or a loss of touch with reality. Three days of no sleep can have severe consequences, such as:

   How Long Can You Go Without Sleep? Risks and Effects - Health

   www.health.com/how-long-can-you-go-without-sleep-8404618

   See all results for this question

   What happens after 36 hours of sleep deprivation?

   • After 36 hours without sleep, symptoms of sleep deprivation continue to worsen . A person who has not slept for 36 hours may experience the following symptoms: Because few studies ask participants to stay awake for long periods, it’s difficult to know what people experience after 48 hours of sleep loss.

   How Long Can You Go Without Sleep? - Sleep Foundation

   www.sleepfoundation.org/how-sleep-works/how-long-without-sleep

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   Can sleep deprivation cause health problems?

   • When you get less sleep than needed or no sleep at all, it’s called sleep deprivation. For most people, a short bout of sleep deprivation isn’t a cause for concern. But frequent or prolonged sleep deprivation can cause serious health issues. Lack of sleep can lead to poor cognitive function, increased inflammation, and reduced immune function.

   The 5 Stages of Sleep Deprivation - Healthline

   www.healthline.com/health/sleep-deprivation/sleep-deprivation-stages

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   How much sleep do you need a day?

   • Adults need about 7 to 8 hours of sleep each night. But sometimes, work and lifestyle factors may disrupt your ability to sleep. When you get less sleep than needed or no sleep at all, it’s called sleep deprivation. For most people, a short bout of sleep deprivation isn’t a cause for concern.

   The 5 Stages of Sleep Deprivation - Healthline

   www.healthline.com/health/sleep-deprivation/sleep-deprivation-stages

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10. www.sleepfoundation.org › how-sleep-works › how-longHow Long Can You Go Without Sleep? - Sleep Foundation

    www.sleepfoundation.org › how-sleep-works › how-long

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    May 9, 2024 · Because sleep is vital for health, experts recommend that adults get at least seven hours of sleep every day. When a person does not get enough sleep, they can become sleep deprived and risk both physical and mental health consequences. What Happens When You Go Without Sleep?