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8 hours of sleep is important

Getting enough sleep is essential for helping a person maintain optimal health and well-being. When it comes to their health, sleep is as vital as regular exercise and eating a balanced diet. Modern-day living in the United States and many other countries does not always embrace the necessity for adequate sleep. Yet, it is important that people make an effort to get enough sleep regularly. There were several studies that scientists did in the early s that looked at the effects of sleep deprivation. The link between weight gain and obesity and short sleep patterns is not completely clear.

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

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

We're always told we need to get our eight hours of sleep - but who made that figure up? Was it just plucked out of thin air? Sure, we'll feel tired the next day if we only get a few hours of sleep overnight.

But according to Matthew Walker, author of book Why We Sleep , and Professor of Neuroscience and Psychology at the University of California, it's not just yawn-prevention that's the reason we're advised to get a full night's sleep. It seems there are actually some serious bodily effects you didn't realise could occur as a result of lack of sleep, and it gives real reasoning to the advice to get eight hours a night. Walker spoke to Tech Insider to explain just what happens inside your body if you don't catch enough zeds:.

If you've noticed yourself becoming forgetful, it might be worth thinking back to how much sleep you've had recently if you can remember , that is. You can't essentially make and create those new memories," the expert advises. But it's not just your everyday memory that might suffer, Walker also points out a scientific connection between not getting enough sleep and the onset of Alzheimer's disease. Sleep usually washes away this protein, so the less sleep you get, the more will build up - and the higher your chances of developing Alzheimer's.

This is more an issue for men than for women. What that means is that their quality of sperm won't be quite as good as it should be for a person of their age, hindering your chances of a successful conception. It's normally when you feel tired and run down that you get ill, we all know that. But this lethargy can also pave the way for more serious illnesses to bed in. Walker notes that lack of sleep is most likely to play a role in the development of bowel, prostate and breast cancers.

And this isn't just some loose theory, either. During deep sleep, as well as getting a rest, your body experiences what Walker describes as a "reboot of the cardiovascular system". Your heart rate drops and your blood pressure goes down, both of which are vital for good heart health. And there's some firm evidence to prove this correlation.

Every year in spring, we switch to Daylight Saving Time, where we lose an hour of sleep. Watch the Tech Insider video in full here. Follow Cat on Twitter. Type keyword s to search. Today's Top Stories.

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You’re supposed to get 8 hours of sleep a night — what happens when you don’t?

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.

In theory, we all know we should be getting around eight hours of sleep per night. But for many, this may seem totally unattainable. Whether it's stress, a busy lifestyle, or something else eating into those hours when you should be resting, eight hours of shut-eye are difficult to achieve.

People with short sleep duration tend to weigh significantly more than those who get adequate sleep 1 , 2. The effect of sleep on weight gain is believed to be mediated by numerous factors , including hormones and motivation to exercise 4. Short sleep duration is associated with an increased risk of weight gain and obesity in both children and adults. Studies show that sleep-deprived individuals have a bigger appetite and tend to eat more calories. Sleep deprivation disrupts the daily fluctuations in appetite hormones and is believed to cause poor appetite regulation 2 , 5.

Sleep Needs

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.

How Much Sleep Do You Really Need Each Night?

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. The recommendations now define times as either a recommended; b may be appropriate for some individuals; or c not recommended.

Most adults need 7 to 8 hours of good quality sleep on a regular schedule each night. Make changes to your routine if you can't find enough time to sleep.

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.

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

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. Research shows that people who sleep so little over many nights don't perform as well on complex mental tasks as do people who get closer to seven hours of sleep a night.

SEE VIDEO BY TOPIC: 8 Hours of Deep Sleep Music: Fall Asleep, Beat Insomnia, Relaxing Music, Sleeping Music ★134

It's well known that getting enough sleep is vital for staying healthy , but excessive snoozing looks to be linked to a higher risk of heart problems and even a higher mortality risk, according to new research. That's not to say too much sleeping will directly kill you — but if you're spending a long time in bed it could be a sign or a symptom of an underlying health problem, or there's a chance it could be making existing issues worse. Now a team of researchers says we should pay more attention to oversleeping: cutting it down to the recommended seven to eight hours a night might end up significantly reducing the risk of health problems later in life, they say. In other words, if doctors find their patients are spending a lot of time sleeping, that could be something worth looking into — particularly if the sleep isn't refreshing. The researchers analysed 74 previous studies that logged self-reported sleep duration and quality, as well as mortality and cardiovascular health.

Get Enough Sleep

Back to Sleep and tiredness. Many effects of a lack of sleep, such as feeling grumpy and not working at your best, are well known. But did you know that sleep deprivation can also have profound consequences on your physical health? Regular poor sleep puts you at risk of serious medical conditions, including obesity , heart disease and diabetes — and it shortens your life expectancy. Most of us need around 8 hours of good-quality sleep a night to function properly — but some need more and some less. What matters is that you find out how much sleep you need and then try to achieve it. As a general rule, if you wake up tired and spend the day longing for a chance to have a nap, it's likely that you're not getting enough sleep. A variety of factors can cause poor sleep, including health conditions such as sleep apnoea.

It's now clear that a solid night's sleep is essential for a long and healthy life. How much sleep do we need? Most of us need around 8 hours of good-quality sleep a.

We're always told we need to get our eight hours of sleep - but who made that figure up? Was it just plucked out of thin air? Sure, we'll feel tired the next day if we only get a few hours of sleep overnight. But according to Matthew Walker, author of book Why We Sleep , and Professor of Neuroscience and Psychology at the University of California, it's not just yawn-prevention that's the reason we're advised to get a full night's sleep. It seems there are actually some serious bodily effects you didn't realise could occur as a result of lack of sleep, and it gives real reasoning to the advice to get eight hours a night.

Sleeping More Than 8 Hours a Night May Be a Deadly Warning Sign

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.

Why sleep is essential for health

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.

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