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How much sleep do you actually need at night

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In theory, sleep takes up about 8 out of every 24 hours, one-third of our lives. Yet we spend additional time worrying about our sleep. But how much sleep do we really need? First, let's get the bad news out of the way: there isn't going to be a one size fits all answer — sleep needs really do vary from person to person. You could be one of those incredibly rare people that can actually get by on a few hours of sleep a night almost definitely not , or you could be on the opposite end of the spectrum, what doctors refer to as a " long sleeper " who might need 11 hours a night.

SEE VIDEO BY TOPIC: How Much Sleep Do You REALLY Need?

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SEE VIDEO BY TOPIC: How Much Sleep is Enough?

How Much Sleep Do You Really Need Each Night?

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By: Dave Asprey November 13, A study out of the University of California, San Diego paints a different story. The paper suggests the secret to a long life has to do with getting just enough sleep, not necessarily eight hours of sleep per night. Its major finding: Sleeping as little as five hours per night can be better for you than sleeping eight.

The study was run by Dr. Daniel F. Kripke , MD, a professor of psychiatry specializing in sleep research and aging. The data is from because it took years to input the data and analyze it. It covers 1. You can file it away under old information, along with the eat-fewer-calories-to-lose-weight myth. Doctors, health experts and athletes agree that getting consistent, quality sleep is critical. Here are just a few studies that prove just that:.

If sleep is so awesome, why get less of it? If you find that you need a ton of sleep, your body is trying to tell you something. Stress, over-exercising and diet are all common reasons you might find yourself feeling so fatigued. Join The Sleep List! Our newsletter filled with tips on how to get the best night's rest.

Sign upand get our free Sleep Roadmap: the guide to feeling more rested. Statements made on this website have not been evaluated by the U. Food and Drug Administration. Information provided by this website or this company is not a substitute for direct, individual medical treatment or advice. It is the responsibility of you and your healthcare providers to make all decisions regarding your health.

Bulletproof recommends that you consult with your healthcare providers regarding the diagnosis and treatment of any disease or condition. Products sold on this website are not intended to diagnose, treat, cure, or prevent any disease.

Dave Asprey is founder of Bulletproof, and creator of the widely-popular Bulletproof Coffee. Oz, and many more. These products are not intended to diagnose, treat, cure, or prevent any disease. Information provided by this website or this company is not a substitute for individual medical advice. How Much Is Too Much? How Much Sleep Is Enough? Getting eight hours of sleep per night is old news. Research from the University of California, San Diego suggests that sleeping five hours per night is slightly safer than sleeping eight.

Get Bulletproof tips to sleep better, faster, starting tonight. Need help sleeping? TAGS sleep. Show Comments. I'm in.

How Much Sleep Is Enough? How Much Is Too Much?

Some people may need more sleep and others less, and our needs may actually change through the years. Thus, the oft-recited advice that every person needs exactly 8 hours of sleep a night is a myth. Everyone has a sleep need that is likely determined by genes , or genetic information. This need is the amount of sleep our body requires for us to wake up feeling refreshed. It differs from one individual to another.

It is well known that as children get older they need less sleep. Different people have different sleep needs. The advice in the table below is only a guide.

How much sleep should you be getting? Ask a room of people and the majority will likely give you the standard reply: eight hours. Quickly followed by an acknowledgment they rarely get all eight. Or often, in fact, even seven.

Sleep Needs

We all know sleep is important. Talk about pressure to perform! Fear-mongering aside, there is good evidence that sleep is important for health, well-being, and performance. But how much sleep is enough? Is there such a thing as too much sleep? If you ask Dr. But where does this number come from? But first, consider this:. It seems like eight is a magic number.

How many hours of sleep do you actually need?

The quality of your sleep directly affects your mental and physical health and the quality of your waking life, including your productivity, emotional balance, brain and heart health, immune system, creativity, vitality, and even your weight. No other activity delivers so many benefits with so little effort! But even minimal sleep loss can take a substantial toll on your mood, energy, mental sharpness, and ability to handle stress. And over the long-term, chronic sleep loss can wreak havoc on your mental and physical health.

By Caroline Williams.

Musk acknowledged that his exhaustion is likely taking a toll on his health. Like most health factors, there isn't a one-size- fits-all answer — sleep needs vary from person to person. There are some incredibly rare people who can actually get by on a few hours of sleep per night, and others on the opposite end of the spectrum that doctors refer to as a " long sleepers " because they need 11 hours nightly.

How Much Sleep Do You Really Need?

Sleep is a vital indicator of overall health and well-being. Sleep needs vary across ages and are especially impacted by lifestyle and health. The National Sleep Foundation released the results of a world-class study that took more than two years of research to complete — an update to our most-cited guidelines on how much sleep you really need at each age.

SEE VIDEO BY TOPIC: How Much Sleep Do You Really Need?

As anyone who has lay awake at night contemplating the complexities of the universe can attest, sleep is a slippery beast. That a nip of whiskey before bed helps you sleep better. Even that eating cheese before snoozing causes nightmares. Watch his talk on deep sleep here. All that with 8.

How Much Sleep Do You Really Need to Feel Rested?

Home Sleep. Younger teens and children generally need more. However, some people may need more sleep and some people may need less. According to a study in the journal Sleep Health : Journal of the National Sleep Foundation , the requirements for getting an adequate amount of sleep will vary across the lifespan and from person to person. Harris says. It really just depends on how you feel. According to Dr.

Are you over or under sleeping? What If You Sleep 2 Hours Less Every Night?: rolleck.com Jul 27, - Uploaded by AsapSCIENCE.

The amount of sleep you need depends on various factors — especially your age. While sleep needs vary significantly among individuals, consider these general guidelines for different age groups:. Some people claim to feel rested on just a few hours of sleep a night, but their performance is likely affected.

Why eight hours a night isn’t enough, according to a leading sleep scientist

How much sleep do we really need, and what happens if we get too little or too much? We spend about a third of our lives sleeping, so you've asked an important question. The National Sleep Foundation recommends seven to eight hours of sleep for people over age 64 and seven to nine hours for ages 18 to Kids need more sleep.

Most adults need at least seven or more hours of sleep each night. The National Sleep Foundation NSF and a panel of 18 experts combed through more than studies to identify the ideal amount of time a person needs to sleep according to their age:. Although most men and women need about 7 to 8 hours of sleep per night, their sleep patterns are generally different. Women often sleep more than men, and they experience a lighter sleep that is more easily disrupted.

By: Dave Asprey November 13,

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