8 hours of sleep vs 7
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.SEE VIDEO BY TOPIC: Impact of Sleep on Health Video -- Brigham and Women's Hospital
SEE VIDEO BY TOPIC: How Much Sleep Do I Need? - SadhguruContent:
8 Hours or 7 Hours of Sleep, What’s the Difference?
So I wondered, is that recommendation accurate? Is there really a difference between getting 7 hours of sleep and 8 hours? The panel of researchers consisted of 18 leading scientists and researchers, as well as 6 sleep specialists. This panel reviewed over current scientific publications meta-analyses and voting on the appropriate amount of sleep required.
Basically, this study was the big kahuna of sleep studies. The National Sleep Foundation does qualify their study saying that an exact amount of sleep needed for different age groups cannot be pinpointed, but there are recommended windows.
They also point out it is important to pay attention to the individual, such as health issues, caffeine dependence, always feeling tired, and more that could change the recommended sleep for a specific person. The panel released the results in the chart above.
The panel revised the sleep ranges for all six children and teen age groups. They also included a new category younger adults While this may be a credible source, this is only one source. Their recommended amount of sleep was very consistent.
Both being very credible sources and very similar in recommended sleep time, this similarity shows that this is a very good approximation to how much sleep each age group should spend sleeping.
The range for hours of sleep each night for people aged is hours. While 7 is included in the range, should it be focused on more and used as a target? Several sleep studies have been finding that seven hours is the optimal sleep time, not 8. There might be other benefits to sleeping 7 hours of sleep and not sleeping more. He also claims that 8 or more hours have even been shown to be hazardous. To check out if Youngstedt had any validity to his claim, I searched for some other studies.
Kripke spent 6 years tracking 1. These 1. This is important to note because it studied a very wide age group, but did not focus on any children categories or even the young adult category from the National Sleep Foundation.
This observational study controlled 32 health factors. The study reported that people who slept 6. To conclude: this study found strong correlation that sleeping 6. Sidenote: this is an amazingly detailed study, and I would really recommend checking out the site attached because there is so much information and it is all super interesting.
The bottom set of graphs is irrelevant to this blog post, but check out the study link above to learn about more of their findings. Because the peak performance occurred at 7 hours, it also supported that increasing sleep was not anymore beneficial to cognitive testing. College sleeping is all about inconsistency. While college is all about inconsistency, you need 7 hours of sleep every night to reap the benefits of the 7 hours.
So party hard, study hard, sleep in late, but to get the benefits of the 7 hours, it needs to be done consistently. To conclude: These two studies both very strongly support that sleeping 7 hours, instead of the much more commonly hear 8 hours, might prove to be beneficial in the long run for increased mortality and better cognitive functioning.
But like I said before to all you crazy, sleep-deprived college students, the 7 hours needs to be consistent for it to be beneficial. While there are certainly going to be some nights 7 hours of sleep is really impossible, aim for it. Skip to toolbar Sites at Penn State.
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.
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.
How Much Sleep Do You Really Need Each Night?
People who can get by on four hours of sleep sometimes brag about their strength and endurance. But recent scientific studies show that a lack of sleep causes many significant changes in the body and increases your risk for serious health concerns such as obesity, disease, and even early death. Sleep is an important function for many reasons. When you sleep, your brain signals your body to release hormones and compounds that help:. In fact, consistently sleeping more than six to eight hours a night can negatively impact your health. Read on to learn why seven to eight hours of sleep a night is ideal. Researchers in the United Kingdom and Italy analyzed data from 16 separate studies conducted over 25 years, covering more than 1. They published their findings in a article. Those who generally slept for less than five to seven hours a night were 12 percent more likely to experience a premature death.
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.
Learn about our expanded patient care options for your health care needs. Most people know that skimping on sleep can be bad for you. Regularly getting too little sleep is linked to a number of chronic diseases, not to mention irritability and sluggishness during the day. But did you know that sleeping too much could also be problematic?
How much sleep do we really need?
Short sleep reduces effectiveness of vaccines. A high school student's "Sleep Story". Blogger Arianna Huffington: Sleep for Success. Video: "Honor Thy Sleep" looks at sleep in America.
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.
Is 7 Hours Of Sleep Enough? A Sleep Expert Reveals What May Be The More Important Factor
Preliminary results from the world's largest sleep study have shown that people who sleep on average between 7 to 8 hours per night performed better cognitively than those who slept less, or more, than this amount. The world's largest sleep study was launched in June and within days more than 40, people from around the world participated in the online scientific investigation, which includes an in-depth questionnaire and a series of cognitive performance activities. Obviously, there have been many smaller sleep studies of people in laboratories but we wanted to find out what sleep is like in the real world," says Adrian Owen, Western's superstar researcher in Cognitive Neuroscience and Imaging. We had a fairly extensive questionnaire and they told us things like which medications they were on, how old they were, where they were in the world and what kind of education they'd received because these are all factors that might have contributed to some of the results. Approximately half of all participants reported typically sleeping less than 6. One startling revelation was that most participants who slept four hours or less performed as if they were almost nine years older. Another surprising discovery was that sleep affected all adults equally.
We often hear about the real dangers of getting too little sleep, but on the other end of the spectrum, sleeping too much also appears to have some risks. Sleep is a rapidly growing field of research, and we are learning more all the time about how rest affects the body and mind. More evidence is showing that spending an excessive amount of time in bed is also linked with health hazards. Read on to learn about the effects of oversleeping, what to look out for and how to work towards getting healthy, quality slumber.
So I wondered, is that recommendation accurate? Is there really a difference between getting 7 hours of sleep and 8 hours? The panel of researchers consisted of 18 leading scientists and researchers, as well as 6 sleep specialists.
Many of us try to live by the mantra eight hours of work, eight hours of leisure, eight hours of rest. Conventional wisdom has long told us we need eight hours of sleep per day, but some swear they need more, and some politicians, mostly say they function fine on four or five. So is the human brain wired to require eight hours, or is it different for everyone?