People who lack sleep will have thicker arms and legs? If you don’t believe it, look at these 3 pieces of evidence!

Doctors from West China University of Political Science and Law once told us that if you don’t sleep well for a long time, you may become ugly, skinny, and skinny ! (If you are curious, click here 👈). I thought the summary of the harm of staying up late was comprehensive and specific enough!

The result is unexpected: lack of sleep, in addition to making us uglier, dumber and puffy, can also make us fatter!

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I am worried that people may just look at the conclusion and still have a lucky mentality about the harms of staying up late.

Therefore, Dr. Tan Lu from the Sleep Medicine Center of West China Hospital, Sichuan University, has specially summarized for you today - 3 pieces of evidence that staying up late will cause weight gain. I hope that after reading this, you can go to bed early tonight!

The reason for this result, the editor uses 3 questions to help everyone understand:

① Do people who only sleep 5 hours a day spend more time awake than people who sleep 7 hours a day?

② Is the extra time mostly spent late at night when everyone is asleep?

③ On those sleepless nights, can you resist eating midnight snacks?

Next, let’s take a quick look at the calories of several “popular midnight snacks”:

Looking at the high calories, friends who love to eat midnight snacks probably have an idea of ​​it!

Yes, it is obvious that people who lack sleep have more opportunities and time to eat high-calorie foods than everyone else , so they will definitely be fatter than those who don’t stay up late!

Each of us has two hormones in our body that control appetite and fat production , they are called: leptin and growth hormone-releasing peptide.

What specific functions does it have?

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👉 Leptin: It can inhibit the body's food intake and stimulate energy consumption.

👉 Growth hormone-releasing peptide: It can cause hunger, leading to increased food intake. It can also stimulate the release of growth hormone, promote growth and weight gain.

The study found that after sleep restriction (bed time reduced to 4 hours), growth hormone-releasing polypeptide levels increased by 28%, leptin levels decreased by 18%, and self-reported hunger and appetite increased by 24% and 23%, respectively, consistent with changes in hormone levels.

In other words, when we don’t get enough sleep, our appetite will increase and our ability to absorb fat will also increase!

If you don’t believe it, think back: every time you stay up late and have a midnight snack, do you feel particularly hungry when you wake up the next day?

In fact, this is because staying up late stimulates the increase of growth hormone-releasing polypeptide, which causes the body to feel excessively hungry.

Studies have found that people who don’t get enough sleep have a higher daily fat intake and a lower protein intake;

Because when our normal sleep time is deprived, certain connections in the brain will be strengthened, causing us to be more inclined to choose foods with higher fat content when choosing food.

If you choose foods with higher fat content in the long run, the consequences are:

Therefore, Dr. Huaxi would like to especially @ those friends who habitually stay up late:

Don't stay up late! Don't stay up late! Don't stay up late!

Unless you want to be older, uglier, fatter, and more pie-shaped than others!

Finally, since we have come this far, why not take a look at the “3 Signs of Good Sleep Quality” compiled by Dr. Tan Lu. How many of them do you have?

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① Sufficient sleep time;

② Sleep efficiency is greater than 85%;

[Sleep efficiency = (sleep time/bed time) * 100%]

③ Able to ensure mental state and work efficiency during the day;

By the way, don’t force yourself to get “8 hours” of sleep, because the length of time each person needs to get enough sleep is mainly determined by genes.

So as long as your sleep time is regular and meets the above three conditions, it is quality sleep!

Don't forget before going to bed

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Your friend who loves to stay up late the most~