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How much sleep does a man really need

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. But research on sleep can help you figure out how much you need and how to better get a night's rest.

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

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SEE VIDEO BY TOPIC: How Much Sleep is Enough?

Sleep Needs

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.

Studies have asked large numbers of people how many hours of sleep they actually average and followed the health of these people over decades. That's worrisome, because the average person has worse health outcomes including more obesity, diabetes, and heart disease, and shorter life if he or she sleeps less or more than these ranges, on average.

The important word is average. Some people who average more or less than these hours of sleep remain in excellent health. Perhaps they have different genes. Unfortunately, we currently have no way of telling if you might be one of those lucky people. So, as often is true in life, it's wisest to play the odds and follow the general advice.

Also, don't be concerned if on any given night you sleep more or less than is advised. The advice applies to the average amount of sleep you get. A word of caution: You can't draw solid conclusions about cause and effect from such observational studies. For example, you can't conclude that adults who average only six hours a night would necessarily improve their health by sleeping eight hours a night.

To reach solid conclusions, you'd need to organize a study in which thousands of adults were assigned, at random: some to average less than seven hours of sleep a night; some to average seven to nine hours a night; and some to average more than nine hours a night. Plus, you'd need to have a way of determining that they actually slept as long as they reported. Finally, you'd have to follow the health of these thousands of people for 30 years or more.

You can imagine how difficult it would be in the real world to conduct a study like that. Why do we need this much sleep? In recent years, we've learned that during sleep, waste material is flushed out of our brains. For example, the waste material includes proteins involved in Alzheimer's disease. A recent study in mice found that interrupting sleep repeatedly led to worsening atherosclerosis.

It's much less clear why people who sleep more than recommended also have worse health outcomes. Disclaimer: As a service to our readers, Harvard Health Publishing provides access to our library of archived content.

Please note the date of last review or update on all articles. No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician. Harvard Health Letter. Ask the doctor Published: August, E-mail Address. First Name Optional.

How Much Sleep Do Adults Really Need?

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

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.

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. Many women also have undiagnosed sleep disorders.

How Much Sleep Do You Really Need to Feel Rested?

Competitive tiredness is a sport familiar to most couples. Men and women frequently disagree about who gets the most sleep, who finds it the least exhausting to tend to a crying child in the night and who has the most energy left for chores. Indeed, Arianna Huffington, a leading U. Now, thanks to Britain's leading sleep expert, that argument can finally be settled. In fact, women need 20 minutes more shut-eye than the average man. And that's down to a woman's busy, multi-tasking brain. Because of that, their sleep need is greater. Women need 20 minutes more shut-eye than the average man.

How Much Sleep Do You Really Need Each Night?

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. You can make a good guess if a person is sleeping enough at night - observe how they act and function during the day. The above sleep duration recommendations are based on a report of an expert panel convened by the US based National Sleep Foundation and published in in their journal Sleep Health.

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.

When you think of what makes up a healthy lifestyle, diet and exercise come to mind, but did getting enough restful sleep? Some researchers consider the lack of sleep that many people get to be at epidemic levels. According to the National Institutes of Health , lack of restful sleep causes a long list of issues:.

How much sleep do we 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. The panelists participated in a rigorous scientific process that included reviewing over current scientific publications and voting on how much sleep is appropriate throughout the lifespan.

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.

5 Tips For Figuring Out How Much Sleep You Really Need

The panel, convened by the National Sleep Foundation, is making its recommendations based on age, ranging from newborns who need 14 to 17 hours of sleep per day to adults aged 65 and up 7 to 8 hours per day. In the new guidelines, there's a wider range of what constitutes a good night's sleep. For example, the expert panel recommends that teens ages 14 to 17 get 8 to 10 hours of sleep per night. The previous guideline had a narrower recommended range of 8. DonCarlos and other experts on the multidisciplinary panel examined findings from studies reporting sleep duration findings for healthy individuals, effects of reduced or prolonged sleep duration and health consequences of too much or too little sleep.

Learn more about the 8-hour myth and how sleep needs vary from one person to the next and We've all been told that we should get 8 hours of sleep per night, but this information is an Mature man lying on bench with a book, taking a nap.

Well, there's unfortunately no one-size-fits-all number. It depends on your genes, how healthy you are, and how active you are during the day, among other factors. Yet, for most adults, getting between seven and nine hours a night is the sweet spot to ward off daytime sleepiness and feel healthy.

How much sleep do you really need?

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