Global Myths That Modern Science Prove They Are Wrong

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Some stories that passed on from generation to generation are not true, and it seems like some myths won’t disappear any time soon. Thanks to modern science, we are one step closer to the truth behind those old stories. Here is the list of some myths that modern science proved them wrong.

1. Listening to Mozart Will Make You (Or Your Baby) Smarter

This myth is known as the “Mozart Effect” and has been made by the psychologist Frances Rauscher. His study showed that kids function better in certain tasks that require spatial and abstract thinking while listening to Mozart. Because of this study companies start selling Baby Mozart CDs for pregnant women.

Wikimedia Commons/National Institute of Allergy and Infectious Diseases (NIAID)

But is it really true? After countless studies, we found out that listening to music in general lead to temporary improvement in cognitive ability and abstract thinking. So, Mozart is not particularly special, all the music and even narrated books seems to give that temporary improvement.

2. Chameleons Change Color to Camouflage Themselves

Thanks to animated and edited videos, many people thinks that chameleons can blend into everything they intact from trees to chessboards. Chameleons naturally blend into their environment often match their colors to tree or leaves.

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Surprisingly they have the ability, most of the time, to not just camouflage, but to stand out. During the mating season chameleons can be very aggressive and their body color changes to communicate with mates or competitors. Another theory that came out recently is that they even use their color change ability to adjust their own body temperature.

3. Human Blood Can Be Blue

The blood that flow through our vines under the skin seems to be blue, but that is a result of optical illusion. When light hit our skin, blue light reflects back and gives the illusion that our blood is blue.

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But eventually, human blood is red because of the presence of hemoglobin. Hemoglobin are cells that help carry and transport oxygen from the lungs to the rest of the body and contain iron. That special natural iron turns red when it intact with oxygen and that is what makes our blood red.

4. Earth’s Proximity to the Sun Determines the Seasons

Many people studied in science classes, that the distance between the Earth and the sun determines the seasons every year. Many people believes that when the earth is close to the sun, summer arrives and when the earth is far from the sun, winter arrives and in between spring and autumn arrive.

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Earth spin on axis and because of that it is tilted and different parts of the planet is more exposed to the sun’s direct rays throughout the year as the earth spin around the sun. For example, in Northern Hemisphere, as the Earth get closer to the sun, winter is coming and when the Earth get far from the sun, summer is coming.

5. It Takes Seven Years to Digest Gums

Chewing gum is one of the favorite candies that exist today. According to an article in the Guardian, a British news and media source, it can take years until a gum is fully digested. Is that true?

Wikimedia Commons/Britchi Mirela

It takes more time to digest gums because these are made of natural or synthetic polymer. But that doesn’t mean it will sit forever in our stomach, it will get out naturally after some time.

6. Camels Use Their Humps to Store Water

Many people believes that camels store water in their humps, but actually they store fat. They store fat in their humps as an emergency supply for long trips in the desert.

Wikimedia Commons/Britchi Mirela

When the camel is hungry, they can absorb food from the hump till it is empty. The hump will get more and more droopy as it gets empty and will be refile by the next meal. Camels can drink 30 gallons of water and store in their bloodstream which allow them to survive more than a week without water.

7. The Great Wall of China is Visible From Space

One of the Seven Wonders of the World is the Great Wall of China. There is one funny but interesting myth, people thinks you can actually see the wall from space. This wall is an impressive structure which goes for almost 4,500 miles across China’s landscape. Although this magnificent wall is huge, we can’t see it from space.

Wikimedia Commons/Peter Dowley

According to astronauts who been in space, they could see the wall only in low level of the orbit and in certain weather condition. One of the reasons why they couldn’t watch it is because of the wall’s material and the color that blends with the landscapes that surrounds the wall.

8. The Tongue Has ‘Taste Bud Zones’

We learned in school that our tongue is responsible for all the tastes we sense and that it is divided into parts where each part meant to sense different kind of tastes like bitter, sweet, salty and sour. This theory was invented 100 years ago by Germany scientist named David Pauli Hanig. Surprisingly, this theory was made with bad taste.

Wikimedia Commons/TipolinaTucci

Research shown impressive results, apparently some taste buds are actually found in unpredictable places such as the top of our mouths and in our throats. It’s still true that some of our taste buds are placed on the tongue and these are more sensitive to specific tastes. These taste buds filled with receptor cells which send information to our brains and analyze which taste we encountered.

9. We Only Use 10% of Our Brain

A very common science myth we all heard before – we use only 10% of the brain. Films that got inspired by this myth such as Limitless and Lucy, followed the question what if we could use more than the 10% of the brain and reach “our full potential”. Well, the myth proven to be wrong thanks to the modern science, and we now know that our brain is more active than we think.

Wikimedia Commons/Akaychestnut

As quoted from neurologist John Henley: “Evidence would show over a day you use 100 percent of the brain”. In fact, by using certain technology to scan the brain, scientists can see that the brain actually is in none stop action even while we are sleeping.

10. Rusty Nails Cause Tetanus

Many people believe that stepping or get injured by rusty nails will put you in high risk to get tetanus. Although, rusty nails and metal are usual a way to intact with tetanus, the infection it’s self has nothing to do with the rust. Bacteria named Clostridium tetani (C tetani) is the one that cause tetanus which infects the nervous system, causing severe muscle spasms and even death.

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Actually what cause the tetanus is the ground pieces that surround the rusty nails which carry the bacteria and not the nail itself. Even small crack or scratch on the skin by the pieces can cause infection.

11. Ostriches Bury Their Heads in the Sand

When person who prefer to ignore their problems instead face them, we say as metaphor “they stuck their head like ostrich”. Usually according to the myth, ostrich will bury their head when they sense danger, but that’s not quite right.

Wikimedia Commons/Tony Wills

Sometimes ostrich will lay it’s body on the floor in a position that can gives the illusion that he burry it’s head. The reason they do it is usually when they incubates on the eggs and use the peak to move the eggs which again give the illusion, they burry the head.

12. Diamonds Come From Coal

One of the weirdest science myths I ever encounter is that diamonds came from coal, which is incorrect. Coal was formed by rotten plant materials that marge together for decades.

Wikimedia Commons/Dave Fischer

Diamonds can be formed in many ways one of the majority ones is result of volcano eruptions.

13. Bats Are Blind

We all know the night flying mammals that look like mouse with wings, yup I am talking about the bats. Bats got an ongoing myth due movies that they are completely blind. This myth is wrong and in fact, there some bat species that actually possess good vision.

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Majority of us learn in science class that bats are blind and use echolocation – ultrasonic sound waves that impact objects such as obstacles and food which help them fly and survive at night. But, species like Larg fuit-eting bats rely on their sharp vision to find food. Some studies show this specie have three times better vision than human’s vision.

14. “Lightning Never Strikes the Same Place Twice”

We all know the good old phrase “lightening never strikes the same place twice” to calm someone that the same bad thing won’t happen twice. Sadly, lighting can strike the same place twice.

Wikimedia Commons/Ranji Banji

Lightning is a very powerful electrical discharge made during a thunderstorm. According to many Scientist’s, reports show that sometimes those discharge can back up to the thundercloud and can create repetitive cycle of strikes. Those reports mean that indeed it can strike multi times. The well known Empire State Building for example, is getting struck almost 100 times a year.

The Top Pet Myths You Should Stop Believe In





From trending food diets to old known myths, you won’t believe what pet’s owners commonly think about their pets. Some of the myths sound silly and won’t harm your pets, but some of them are. Without any further discuss, this is the list of myths you should stop believe in:

Cats Purr When They’re Happy

We all know that when we pat our cats, they start to purr and we think they are happy. Well, it is not correct. According to researches, cats do not purr only when they enjoy while being pet, cats also purr when they are nervous, fearful, stressed or in pain.


For example, cats create low frequency vibrations purrs to help their body heal wounds and repair bones. Moreover, kittens use purr to bond more with their mothers or even when they encounter birds.

You Can’t Teach an Old Dog New Tricks

Most owners will say “you can’t teach an old dog new tricks” because said owners think that their dogs are too old and not smart enough. This myth is also not true.



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It’s true that puppies may be easier to train because they didn’t gain/build any kind of regular behavior yet, but older dogs still can be trained! It might take longer but they can. Dogs, like humans, can experience age-related illnesses (like dementia) and by teaching them new tricks, the owner might improve their mind and will slow the progression of the disease. According to studies, training old dogs might take longer but they will retain their knowledge for the long-term.

All Dogs Can Swim

We all believe that when we will take our dogs to the beach, we will see them swim in the water, well that totally not true. Dog’s ability to swim determined by their breed and their body structures.




Some breeds are born with the ability to swim and some dogs can swim because of their body type. Experts suggest keeping an eye on dogs while they go near deep water areas and even put fence around private swimming pools. More than that, experts suggest that if owners want their dog to have fun in deep water, they will wear specially designed life jackets to prevent them from drowning.

Cats Always Land on Their Feet

“Cats always land on their feet” myth exists since ancient times, but today scientists have proven that belief technically is incorrect. Cats and other animals born with unique reflex instincts. These instincts allow them, as they fall, to react in order to prevent injury or death.


Cats can adjust and reposition their legs and lands safely on all fours after falling due to their highly flexible backbone and lack of functional collarbone. Even with this amazing skills, cats won’t always land safely – it depends on the height from where they fell and the response time of each cat – which means it still can lead to injuries or even death.

A Dog’s Mouth Is Cleaner Than A Human’s

Medical experts suggest dog’s owners to avoid from letting their dogs lick them. Dogs put everything in their mouths or bring their nose close to garbage.




Dogs like humans, have in their mouth oral bacteria. Because humans share only 15% of those bacteria, it can potentially cause illness or death to humans.

A Wagging Tail Means A Dog Is Excited or Happy

Another common myth is when we see dogs wagging their tails, we think they are happy but once we approach to them but we might get bitten. According to scientists and even dog behaviorists, a wagging tail simply means the dog is mentally ready to engage. This is not an indicator of their mood or state of mind.



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Dog’s tail wagging might indicate different emotions such as fear, annoyance, curiosity, enthusiasm, confidence, tension, nervousness, or hostility. Dog behaviorists suggest noticing the tail wag speed. For example, a tail wag follow by the body movements (body move side to side as the tail wag) show friendly and positive response from the dog, while a slow and stiffer wag can translate as proceed with caution.

Taking Care Of A Goldfish Is Easy

Goldfish are so simple to take care of, just put them in simple bowl of water and feed them from time to time. Well…. No. Goldfish may look different but they have some “carp family traits”: They create large amount of waste from their faces and gills which mean it can soil the bowl fast and risk their own life.




Even tiny goldfish require aquarium tanks of at least 20 gallons. With good care goldfish can grow and last 10 years but it requires constant care of the fish in the tank/bowl.

One Dog Year Equals Seven Human Years

Famous pet myth is that one dog year equals seven human years. Experts says it is not an accurate way to access a dog’s age.




According to a chart created by the American Veterinary Medical Association, scientists can now know how to measure the maturity of the dog. For example, a medium-sized dog’s first year is equal to 15 years of human being, next year equal to 24 human years. The next years equal to 4 to 5 human years.

It’s Okay for My Cat To Be An Outdoor Pet

One of the myths that can risk and put your pets in danger is “it’s Okay to for pet cats to be an outdoor pet”. Outdoor risks can be, poison food source on the streets, car/ bicycle accidents, unwanted pregnancies, and transmission of disease to free-roaming cats. More than that, one of the late researches tells about the possibility dangerous effects that cat can do on the environment.




According to Dr. George Fenwick, President of the American Bird Conservancy, cats kill (hunt) dozens if not hundreds to thousands animals such as birds and mice per year. While the cat roams, they leave behind “nature garbage” which in times might contain parasites which causes toxoplasmosis. Those parasites can cause diseases like severe brain damage or death to unborn babies.

Kittens Need Milk

We think that kittens need milk, no matter if it is from their mother or not. This myth is also wrong and might even risk those poor kittens. The only milks that is safe for kittens are milk from their mother, or a special kitten milk replacement.




A kitten’s digestive system is weaker than adult cats and cow milk can cause diarrhea, which can lead to deadly dehydration.

Shaving Long-Haired Dogs Will Keep Them Cool During Summer

We all see our dogs with the fluffy long hair during the summer and all we want is “to help them”. So we shave the long hair to keep them cool in the summer. Apparently not all dogs need to be shaved. Some dogs use their long hair to capture air and use it as a cooling system for their body.




For example, Siberian huskies or collies have double layer fur coats, during warmer season the dog’s protective layer undercoat is mostly shading and let cool air flowy closer to the dog’s body instead be insulation by the thick undercoat fur layer. Shaving to much of the dog’s hair might expose the dog to sun and cause sun burns.

A Raw Meat Diet Is the Best For A Dog

One of the myths that even make veterinarians worry is the fact that there some pet’s owners that give their dogs a raw meat diet. This diet includes raw meats, vegetables, raw eggs, and bones. All this to make their dog feel “closer to the wild”.




This diet can expose these dogs to deadly microbes found in raw meat. While the wolf hunt and eat raw food in the wild thanks to their strong Immune system, pet dog doesn’t have this immune system and this act put them at risk.

Dogs Can Only See in Black And White

You might already believe in this myth even if you don’t have a dog. Many people, including scientists, believed that dogs could only see in black and white. Thanks to the advancement of the science and technology, we can say goodbye to this myth. New research shown that dogs indeed can see colors but not the spectrum colors that human being able to see.




Dog eyes, like human eyes, have special color-sensing cells called cone photoreceptors. The dogs have 2 out of 3 cone photoreceptors compare to humans. Each one reacts to different colors found on the spectrum of visible light.

Dogs Heal Their Wounds by Licking Them

People believes that the saliva of the dog helps them heal themselves from injures. Sadly, that not true. According to the science, the act of dog licking their wounds won’t heal them but can possibly make it worst.




Letting your dog lick their wounds may result in reopening the wounds, warm the spots and even sabotage their sutures from surgeries. More than that, as mentioned before dogs mouth is not that clean and dangerous microbes might get into the dog body via the open wounds and cause infection.

Chadwick Boseman Died At 43


After 4 years of battling with colon cancer, the actor Chadwick Boseman, famously know for his role as the “Black Panther”, died at 43.

Chadwick’s spokesman, Nicki Fioravante, said the actor died at his house in LA by his family. The family said –

“A true fighter, Chadwick persevered through it all, and brought you many of the films you have come to love so much. From Marshall to Da 5 Bloods, August Wilsons Ma Raineys Black Bottom and several more – all were filmed during and between countless surgeries and chemotherapy. It was the honour of his career to bring King TChalla to life in Black Panther.”

Chadwick didn’t speak about the disease in public and according to several sources, earlier this year he married his girlfriend ,the singer Taylor Simone Ledward with whom he had no children.

Boseman born in South Carolina and managed to graduate with one of the most prestige universities in the world – Howard.

Many celebrities shared posted on social media as a tribute to their beloved friend –

Want To Get Into Shape?


The summer is already here but it is never to late to improve your health and start losing weight while getting into shape.

Most of the people tried many diets in their life but probably failed to reach their goal. That’s why we collected some tips and tricks that will blend into your life style and you might lose weight without even noticing.

It is important to say that you have to consult with a doctor before making radical changes in your diet and that you can’t take this article as a medical advice – Ask a professional doctor before changing your diet.

Start Eating Vegetables

If you want to have a healthy life style and lose weight – you have to involve lots of vegetables in you meals. Vegetables are rich in vitamins, enzymes and fibers which help you digest the food better and will make you less hungry.

So, start each meal with some vegetables – it can be a salad or a soup. That way you fill yourself before getting to the main course and you will eat less empty calories.

Vegetables can be a great healthy snack between meals if you feel hungry in the middle of the day.

Eat Lean Protein

Studies shows that increasing your protein intake can help you burn extra 80-100 calories per day. So if you add healthy protein to each meal, you will get full and it will help you build muscle more easily.

Other study showed that people who ate enough protein each day, consumed about 440 less calories per day.

Great source of protein can be – Chicken, Salmon, Shrimps, Soy Beans and Eggs.

*Note that consuming too much protein can be harmful – consult a doctor.

Don’t Be Afraid Of Carbs

Every time you start a diet you probably try to avoid carbs at any cost… It doesn’t have to be that way!

The secret is to consume the right carbs at the right amount. Aim for carbs that are full in fibers such as quinoa, bulgur and brown bread.

Have A Cheat Day

You have to develop the right mindset – This is a Marathon, not a Sprint!

You will see results if you keep doing it for as long as possible. This should be a lifestyle, not a 30-day diet.

So in order to keep it up, have a cheat day once a week – you will have one meal to eat anything you desire without thinking about the calories.

This will help you keep on going and achieving your goals.

Workout When You Can

Working out will help you burn more calories and will help you build muscle for better results.

It also helps you stay in the right mindset of winning and achieving.

It doesn’t have to be a 2-hour workout in the gym, you can go for a 45 minutes walk in the morning.

The Best Skills You Can Acquire Online


Have you ever asked yourself what skills you should learn in order to jump to the next level?
We live in a world with endless possibilities, And each one of us got the tools to educate himself online.

These are the top skill you need to master and you can do it online –

Emotional Intelligence

The ability to control your emotions, and understand the emotions of the people around you. EI is the key component in becoming a good team player and team leader. This skill will help you and your team to maximize efficiency


You can find courses here


Persuasion is a game changer in every aspect of our lives. It will help you achieve what you want and influence the right people to serve your goals. It is a key skill in sales and it will help you pass job interviews very quickly.


You can find courses here


No matter what you will do in your life, in some point and time, you will have to sell something. It might be yourself and your skills \ abilities, it can be a product you have been working on, or even help a friend to get a job.


You can find courses here

Video Production

We spend most of our time tied to some sort of media device – computers, television and smart phones and we are being exposed to hours of virtual content every week. Videos have become a big part of our life – Youtube, Instagram, Facebook and TV commercials. So learning how to make videos will surely be a demanded skill in the next years.

You can find courses here

How To Spend Time At Home While You Hide From The CoronaVirus


The Coronavirus is spreading all over the world and endanger many people who suffers from it.

In some countries, people aren’t allowed to leave home and need to spend few days and even weeks in the same place.

In order to remain sane in those times we made a list of things you should do while at home –

Netflix and Chill –

Of course, the most common thing you can do is sit and watch your favorite show all over again or start a new show. It can be a good time to watch things you would never watch (again – you basically all the time in the world.


Educate Yourself –

You can spend time learning new skills, and expand your knowledge.
It can be coding, history, math, statistics, picture editing or even painting.
Yo can look for courses in Udemy, Khan Academy or Coursera.


Sport and Exercise –

A good way to make the most out of the situation is to burn some calories and get active. There are dozens of Youtube videos of exercises you can do at home without any equipment.

But the most important thing is to have time for yourself. In our day to day life we forget to do things for ourselves. Make a nice breakfast, relax, take a nap, read a good book and enjoy this time, because once it’s over, we will probably will be back at full speed to our day to day life.

How can You Fulfill Your New Year’s Resolution?


It’s the same story every year, right?

Every year, on December 31st,  you have a list of all the things you want to do in the next year, and most of the times it’s the same things – exercise more, read more, eat healthy, find your dream job, spend more time with your family or even find the love of your life. But in reality, you can’t really keep up with all the promises you wished for yourself.

So how can you achieve more in the next year alone and even in the next decade?


We got a list of small simple actions you can take in order to maximize your chances of sticking with your new habit –  

  • Set your goals the right way – it all starts here; you have to set your goals high enough for them to motivate you and get you excited but keep it somewhat real. Be specific as possible.
    • Good – Train 3 times a week on Sunday, Tuesday and Thursday.
    • Bad– Train 6 days a week.
  • Visualize your dreams daily – take yourself 10 minutes a day to visualize your future self. Focus on how it feels after you achieved all your goals, and again – be as specific as possible.
  • Make commitment for yourself to do whatever needed and find people to keep you accountable for your actions. Publish your goals on social media – it will be much harder to give up after you announced it online.
  • Find a mentor and model his actions – look for someone who is where you want to be in the next few years, reverse engineer his steps until you got a plan in your hand.
  • Surround yourself with the right people – cut out toxic people who gossip all the time and find people who has big goals – you will push each other to get out the best of you.

Amazing Transformation – Man Loses 140 pounds with Slimming World Diet


In order to have a healthy lifestyle, Ben Green who weighed 350 pounds loses almost half of his body weight, an eyepopping 140 pound(!!) and achieved his goal and became a runner.


After dealing with health issues for over 20 years, Ben decided to take control over his life. He says – “I had been obese since I was 11-years-old and have had to deal with health complications for 22 years. My mobility was suffering and I had to wear ankle supports all the time. I was in constant pain.”

Green says he turned to food as a solution to deal with stress. Ben added – “We were getting passed between parents and getting treated all the time. We didn’t ever sit down for a family meal. My Nan lost her life because of obesity. She became bed-bound and spent her last year unable to do anything but lie on her sofa because of her mobility and pain.”


As expected he used to be bullied in school – “I got punched in the face on my first day of secondary school. There have been times where people have wound down car windows to shout abuse to me.”

Ben explains: “You think, as a man, that it’s just for women – but as soon as I walked through the doors my eyes were opened. There were pictures of men and stories about men who had lost weight – and I wanted to be like them.”


His results are pretty amazing – lost 140 pounds, over 1.15 feet in his chest and 1.8 from his waist.

Green shares: “I always dreamed of being a runner, of crossing the finish line and getting a medal. I lost four stone in 10 weeks and that have me a huge confidence boost and I noticed my pain was going. When I’d lost six or seven stone I stopped using my ankle supports. My ambition was that I wanted to break the cycle of premature deaths in my family because of obesity. I wanted to educate my children in healthy eating and how to have a healthy lifestyle. Now, they cook with me in the kitchen and they love to help me prepare meals.”


The meaning of health has evolved over time


In keeping with the biomedical perspective, early definitions of health focused on the theme of the body’s ability to function; health was seen as a state of normal function that could be disrupted from time to time by disease.

An example of such a definition of health is: “a state characterized by anatomic, physiologic, and psychological integrity; ability to perform personally valued family, work, and community roles; ability to deal with physical, biological, psychological, and social stress”.

Then in 1948, in a radical departure from previous definitions, the World Health Organization (WHO) proposed a definition that aimed higher: linking health to well-being, in terms of “physical, mental, and social well-being, and not merely the absence of disease and infirmity”.


Although this definition was welcomed by some as being innovative, it was also criticized as being vague, excessively broad and was not construed as measurable. For a long time, it was set aside as an impractical ideal and most discussions of health returned to the practicality of the biomedical model.

Just as there was a shift from viewing disease as a state to thinking of it as a process, the same shift happened in definitions of health. Again, the WHO played a leading role when it fostered the development of the health promotion movement in the 1980s.

This brought in a new conception of health, not as a state, but in dynamic terms of resiliency, in other words, as “a resource for living”. 1984 WHO revised the definition of health defined it as “the extent to which an individual or group is able to realize aspirations and satisfy needs and to change or cope with the environment. Health is a resource for everyday life, not the objective of living; it is a positive concept, emphasizing social and personal resources, as well as physical capacities”.


3 ideas to keep you healthy and strong


Achieving and maintaining health is an ongoing process, shaped by both the evolution of health care knowledge and practices as well as personal strategies and organized interventions for staying healthy.


An important way to maintain your personal health is to have a healthy diet. A healthy diet includes a variety of plant-based and animal-based foods that provide nutrients to your body. Such nutrients give you energy and keep your body running. Nutrients help build and strengthen bones, muscles, and tendons and also regulate body processes (i.e. blood pressure).

The food guide pyramid is a pyramid-shaped guide of healthy foods divided into sections. Each section shows the recommended intake for each food group (i.e. Protein, Fat, Carbohydrates, and Sugars). Making healthy food choices is important because it can lower your risk of heart disease, developing some types of cancer, and it will contribute to maintaining a healthy weight.


Physical exercise enhances or maintains physical fitness and overall health and wellness. It strengthens muscles and improves the cardiovascular system. According to the National Institutes of Health, there are four types of exercise: endurance, strength, flexibility, and balance.


Sleep is an essential component to maintaining health. In children, sleep is also vital for growth and development. Ongoing sleep deprivation has been linked to an increased risk for some chronic health problems. In addition, sleep deprivation has been shown to correlate with both increased susceptibility to illness and slower recovery times from illness. In one study, people with chronic insufficient sleep, set as six hours of sleep a night or less, were found to be four times more likely to catch a cold compared to those who reported sleeping for seven hours or more a night. Due to the role of sleep in regulating metabolism, insufficient sleep may also play a role in weight gain or, conversely, in impeding weight loss.


Additionally, in 2007, the International Agency for Research on Cancer, which is the cancer research agency for the World Health Organization, declared that “shiftwork that involves circadiandisruption is probably carcinogenic to humans,” speaking to the dangers of long-term nighttime work due to its intrusion on sleep. 

In 2015, the National Sleep Foundation released updated recommendations for sleep duration requirements based on age and concluded that:

“Individuals who habitually sleep outside the normal range may be exhibiting signs or symptoms of serious health problems or, if done volitionally, may be compromising their health and well-being.”

Sleep Foundation