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Science Says One Night Of Poor Sleep Equals Six Months On A High-Fat Diet

Science Says One Night Of Poor Sleep Equals Six Months On A High-Fat Diet

You might have read the title of this post and incredulously wondered how on earth one night of poor sleep equals six months on a high-fat diet. Well, it all has to do with our insulin sensitivity. Insulin is a type of hormone that helps keep our blood sugar levels from getting too high (hyperglycemia) or too low (hypoglycemia).

According to a new study conducted by Josiane Broussard, PhD, and colleagues from Cedars-Sinai Medical Center in Los Angeles, one night of bad sleep lowers our body’s sensitivity to insulin in a similar degree as six months on a high-fat diet.

When the body becomes less sensitive to insulin or “insulin resistant,” it’s unable to produce enough insulin to keep blood sugar stable. This may eventually lead to Type 2 diabetes, a disease where there is too much sugar in the blood and the body’s insulin response doesn’t work properly.

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Diabetes is associated with a number of serious health complications, including heart disease. The less sensitive you are to the effects of insulin, the more trouble you have absorbing nutrients, digesting carbohydrates, and maintaining a healthy weight.

People who have a hard time maintaining a healthy weight or those with obesity are prone to develop insulin resistance and subsequently diabetes. It’s a terrible, vicious cycle that could all start with one night of poor sleep.

How poor sleep affects insulin sensitivity

In the study led by Dr Broussard, the researchers used a canine model to investigate whether sleep deprivation and high-fat diets affect insulin sensitivity in similar ways. They measured insulin sensitivity in eight male dogs before and after the dogs were fed a high-fat diet for six months. The researchers found that the dogs that were sleep deprived for one night had a decrease of 33 percent in insulin sensitivity. After being fed a high-fat diet, the canines had a 21 percent decrease.

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Although this study was done on animals and not humans, it is sill relevant. These types of basic scientific studies involving canines are common and play a critical role in helping to understand the causes and complications of obesity, as well as in identifying processes that may help with its prevention or cure. What this particular study, which was presented on November 5 at The Obesity Society Annual Meeting in Los Angeles, highlights is that pulling all-nighters is not good for the body.

“It is critical for health practitioners to emphasize the importance of sleep to their patients,” said Caroline M. Apovian, MD, FACP, FACN, a Fellow and spokesperson for The Obesity Society. “Many patients understand the importance of a balanced diet, but they might not have a clear idea of how critical sleep is to maintaining equilibrium in the body.”

Ramifications of sleep deprivation

Dr. Broussard noted that, “One night of sleep deprivation and six months of a high-fat diet both reduced insulin sensitivity by a similar degree in canines. However, there was no additive effect of sleep loss and high-fat diet.” Relating these findings to humans, Dr. Broussard added: “This [study] may suggest a similar mechanism by which both insufficient sleep and a high-fat diet induce insulin resistance. It could also mean that after high-fat feeding, insulin sensitivity cannot be reduced further by sleep loss.”

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Perhaps referring to numerous other studies (and there have been many this year) that have correlated the ramifications of sleep deprivation on insulin sensitivity, Dr. Broussard said: “Research has shown that sleep deficiency and a high-fat diet both lead to impaired insulin sensitivity, but it was previously unknown which leads to more severe insulin resistance.”

“Our study,” he continued, “suggests that one night of total sleep deprivation may be as detrimental to insulin sensitivity as six months on a high-fat diet. This research demonstrates the importance of adequate sleep in maintaining blood sugar levels and reducing risk for metabolic diseases like obesity and diabetes.”

The takeaway

If there is one thing you can take away from this study, it is that you should take your sleep habits seriously. Get enough sleep each night, 7 to 9 hours at least. And if you think missing one hour or one night of sleep is not a big deal, then think again. Another study published in Diabetes Care showed how seven Type 1 diabetics suffered peripheral insulin resistance after just one night of four hours sleep.

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The good news, though, is that some of the damage caused by sleep deprivation (such as decreased insulin sensitivity and other metabolic issues) can be reversed with recovery sleep. So, go to bed a half-hour earlier to pay your sleep debt. And tuck in by a reasonable hour every night for sleep.

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Last Updated on August 15, 2018

7 Amazing Things That Will Happen When You Do Plank Every Day

7 Amazing Things That Will Happen When You Do Plank Every Day

Bodyweight exercises are gaining ground in the fitness world due to the practicality and simplicity of getting in shape using your own body weight. Planks are one form of bodyweight exercises that will never go out of fashion. Planks are one of the most effective exercises you can do. Why? Because they require a small time investment on your part, and offer the chance to achieve substantial results in a relatively short span of time.

Video Summary

Why is it important to train up our core strength?

There are numerous sites and blogs which detail ways to build your core muscles or core strength. Often though, these sites neglect to explain what your core muscles actually are, and why building them is important.

This is quite surprising, as core muscles are quite easy to explain. Your core muscles are a series of muscles in your midsection, and are used in most forms of movement. Though they aren’t housed in your arms or legs, your core muscles can help transfer force from one limb to another, or are used in addition to muscles in your arms or legs to increase their effectiveness. As such a strong core will make a big improvement on your ability to move and exercise further.

Also they are great for helping other muscles in your midsection such as your abdominal muscles. Your abdominal muscles are important for supporting your back and spinal column, and as such are important aids in preventing injuries. However for them to be most effective you need to spend a lot of time developing your core muscles.

In short, planking exercises can make a huge improvement in your muscles down your whole body. Making them a hugely effective exercise to perform.

One Exercise, multiple benefits

There are few forms of exercise as effective at building your core as planking exercises. However, planking exercises benefit far more than just your core strength.

By holding yourself in the position for a planking exercise, you’ll notice that your biceps, neck, and shoulder muscles are also being tested and strained. This this encouraging their buildup and development. This is great news if you like to do press ups, developed shoulder muscles will have a big impact on your press up performance.

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When planking, you are holding yourself up through your arms and biceps and so by holding a planking position, your arm muscles are being toned and developed. Making planking a great alternative exercise to other forms of bicep developing exercises.

Moving down your midsection, successful plank exercises actually develop the muscles in your butt! These muscles tend to be ignored by a lot of exercises, so this is another great benefit of plank exercises.

In much the same way as you develop your biceps and arm muscles, holding the planking position helps develop the muscles in your thighs too.

What is even better is that planking exercises don’t take much time at all. In fact you should probably only spend about ten minutes max per day in the planking exercise.

What will happen when you start doing planks every day

    1. You’ll improve core definition and performance: 

    Planks are an ideal exercise for the abdominal muscles exactly because they engage all major core muscle groups including the transverse abdominus, the rectus abdominusthe external oblique muscle, and the glutes. The importance of strengthening each muscle group cannot be underestimated either, for all of these groups serve their own purpose. If you strengthen these muscle groups you will notice:

    • Transverse abdominis: increased ability to lift heavier weights.
    • Rectus adbominis: improved sports performance, particularly with jumping. This muscle group is also responsible for giving you the renowned six pack look.
    • Oblique muscles: improved capacity for stable side-bending and waist-twisting
    • Glutes: a supported back and a strong, shapely booty.

    2. You’ll decrease your risk of injury in the back and spinal column

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      Doing planks is a type of exercise that allow you to build muscle while also making sure that you are not putting too much pressure on your spine or hips. According to the American Council on Exercise, doing planks regularly not only significantly reduces back pain but it also strengthens your muscles and ensures a strong support for your entire back, especially in the areas around your upper back.

      Check out this article if you would like to find out about how doing planks on different surfaces can impact the effectiveness of this exercise in strengthening your core.

      3. You’ll experience an increased boost to your overall metabolism

        Planking is an excellent way of challenging your entire body because doing them every day will burn more calories than other traditional abdominal exercises, such as crunches or sit-ups. The muscles you strengthen by doing this exercise on a day-to-day basis will ensure that you burn more energy even when sedentary. This is especially important if you are spending the majority of your day sitting in front of a computer. Also, making it a daily 10- to 1 minute home exercise before or after work will not only provide an enhanced metabolic rate but it will also ensure that that metabolic rate remains high all day long, (yes, even while you are asleep).

        4. You’ll significantly improve your posture

          Planking exercises have a great impact and improvement on your posture. This is great news as a strong posture brings with it a huge number of fantastic benefits .

          A good posture keeps your bones and joins in the correct alignment which means both your bones and joints will be better maintained and more healthy, but also means the overall effectiveness of your muscles will be improved.

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          A good posture will ensure your back or spine is in the correct position and so you will suffer less back pain.

          On top of everything, someone with good posture looks better, healthier, and more confident.

          5. You’ll improve overall balance

            Have you ever felt that when you tried standing on one leg, you couldn’t stand up straight for more than a couple of seconds? It’s not because you were drunk- unless you happened to be at the time!-  but rather, it’s because your abdominal muscles weren’t strong enough to give you the balance you needed. Through improving your balance by doing side planks and planks with extensions you will boost your performance in every kind of sporting activity.

            6. You’ll become more flexible than ever before

              Flexibility is a key benefit of doing planks regularly, for this form of exercise expands and stretches all your posterior muscle groups – shouldersshoulder blades, and collarbone – while also stretching your hamstrings, arches of your feet, and toes. With a side plank added in to the mix, you can also work on your oblique muscles. This will provide you with further benefits when it comes to hyper-extending your toes, a movement that is crucial for supporting your body’s weight.

              7. You’ll witness mental benefits

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                Plank exercises have a particular effect on our nerves, making them an excellent means of improving overall mood. How? Well, they stretch out muscle groups that contribute to stress and tension in the body. Just think about it: you are sitting in your chair, at home or at work, all day long; your thigh muscles get tight, your legs get heavy due to being bent for several hours; and tension develops in your shoulders due to being forced to slump forward all day. These are all circumstances that put too stress on the muscles and nerves. The good news is that planks not only calm your brain, but they can also treat anxiety and symptoms of depression– but only if you make it part of your daily routine.

                How to hold a plank position

                1. Get into pushup position on the floor.
                2. Now bend your elbows 90 degrees and rest your weight on your forearms.
                3. Keep your torso straight and rigid and your body in a straight line from ears to toes with no sagging or bending.
                4. Your head is relaxed and you should be looking at the floor.
                5. Hold the position for as long as you can.
                6. Remember to breathe. Inhale and exhale slowly and steadily.
                7. When your form begins to suffer, pull the plug. You’re only benefiting from the plank by actually doing the plank.

                Watch the video if you have any doubt!

                Here is a great infographic that shows the best plank variation exercises to evenly target all abdominal muscle groups:

                  How to improve your plank time gradually

                  1. Start with the easier variation if needed. You can start with a bent-knee plank if you can’t perform a regular plank yet. If you can hold a plank for more than two minutes with ease, you can move on to these tougher variations.
                  2. Practise every day. Space your planking exercise throughout the day and do 3-4 times every day. Try to hold the position 10 seconds longer each time.
                  3. Perform other body-weight exercises at the same time. Push-up and squat will improve your core strength too.

                  Are you ready to devote 5-10 minutes of your day, every day, to stay fit, healthy and, most importantly, strong as a bull? Then jump in and make doing plank exercises a part of your life.

                  Who Should Be Cautious Doing The Plank?

                  You need to be cautious doing Planking exercises if any of these risks apply to you:

                  • Prolapse
                  • After prolapse surgery
                  • Pelvic pain conditions
                  • Weak or poorly functioning pelvic floor muscles
                  • Previous childbirth
                  • Overweight

                  Choose an alternative pelvic floor abdominal exercise or consult your doctor before performing plank regularly.

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