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What are the effects if someone sleeps too little, less than 4 hrs a day?
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12 Things That Happen To Your Body When You Lack Of Sleep

1. So it's easy to get sick

Research reveals a close link between sleep and the immune system. Lack of sleep can reduce the body's ability to fight disease. During sleep, the immune system will produce a protein called cytokines which is useful when you have an infection or inflammation

2. Decreased heart health

As you often hear: anything that is "too" is not good enough. So is the matter of sleep. The duration of sleep is too short (less than 5 hours) or too long (more than 9 hours) has a negative impact on heart health as revealed by the European Heart Journal study. Lack of sleep can increase the risk of heart attack or stroke, dear!

3. Cancer risk increases

A study also revealed that lack of sleep can increase the risk of breast cancer and prostate cancer. So think again if you still have a habit of staying up late. The recommended sleep time is 7 to 8 hours per night.

4.Muscle and joint pain

Older, our bodies are more susceptible to pain in the muscles and joints. A research in the field of arthritis and rheumatology reveals that one of the main causes is lack of rest and hours of sleep. The research that examined the lifestyle of 2,326 men and women and their relation to physical and psychological health found that the quality and poor hours of sleep is one of the main causes of muscle and joint pain.

5. Damaging the mood

This effect may be most easily felt if you lack sleep or wake up feeling still tired and sleepy. Lack of sleep can make you moody, emotional, and easily offended. When it becomes a habit, it can also lead to depression and anxiety disorders.

6. The ability to think is reduced

In fact, even one night of sleep deprivation will affect the thinking ability and cognitive power of the brain. Experimental Brain Research conducts research involving 18 people where they are asked to complete a task. The first assignment is given after they sleep enough, while the second assignment is given after they spend the night with lack of sleep. The results in the second assignment show brain functions such as memory, the ability to make decisions, make arguments, and resolve problems down dramatically.

7. So it's easy to forget

Sleep deprivation has a negative influence on memory and the ability to absorb information. The results of the study explained that sleep hours have an important role for the process of storing and processing information in the brain. In short, we need enough sleep to absorb new information in the brain.

8. Libido decreases

Sleep deprivation decreases sexual arousal. In one study, young men who lacked sleep for one week showed a decrease in testosterone levels. Sleep less than five hours decreases sexual hormones by 10 to 15 percent. Respondents also admitted that their stamina and mood deteriorated with lack of sleep.

9. Increase weight

Staying up late can make you gain weight, ladies. Research on the relationship between sleep and weight involving 21,469 adults aged over 20 years explained that people who sleep less than 5 hours per night will be more easily gained weight and can lead to obesity.

10. The risk of diabetes increases

In addition to the widening of the abdominal circumference, people who lack sleep and who are too long to sleep will experience an increased risk of developing diabetes. A study of sleep and diabetes links revealed that sleeping for 7 to 8 hours is the right time to avoid insulin problems that lead to diabetes.

11. Easy to lose focus

The National Sleep Foundation says that people will be three times more susceptible to motor vehicle accidents if they lack sleep. Think twice before you decide to drive when you are tired from lack of sleep.

12. Make skin wrinkled

If all of the reasons above don't convince you to start managing your bed properly, Cosmo has one more reason: lack of sleep can make your skin wrinkle fast! In a study, a group of people between the ages of 30 and 50 were evaluated based on their sleeping habits with their skin condition. The results show those who lack sleep have more wrinkles, fine lines, saggy skin, and uneven skin tone. Respondents also claimed they were lacking in confidence and were not satisfied with his appearance.

Research reveals a conciders between sleep and the immune system. Lack of sleep can reduce the body's ability to fight disease. During sleep, the body's immune system will produce a protein called "cytokines" which is useful when you have an infection or inflammation, and that is certainly very influential for health. But there are a number of other impacts that greatly affect your day, such as:

Damaging the mood.

This effect may be most easily felt if you lack sleep or wake up feeling still tired and sleepy. Lack of sleep can make you moody, emotional, and easily offended. When it becomes a habit, it can also lead to depression and anxiety disorders.

Thinking ability is reduced.

In fact, even one night of sleep deprivation will affect the thinking ability and cognitive power of the brain. Experimental Brain Research conducts research involving 18 people where they are asked to complete a task. The first assignment is given after they sleep enough, while the second assignment is given after they spend the night with lack of sleep. The results in the second assignment show brain functions such as memory, the ability to make decisions, make arguments, and resolve problems down dramatically.

it's easy to forget something.

Sleep deprivation has a negative influence on memory and the ability to absorb information. The results of the study explained that sleep hours have an important role for the process of storing and processing information in the brain. In short, we need enough sleep to absorb new information in the brain.

Easy to lose focus.

The National Sleep Foundation says that people will be three times more susceptible to motor vehicle accidents if they lack sleep. Think twice before you decide to drive when you are tired from lack of sleep.

in my opinion, there are many effects if someone lacks sleep. namely lack of concentration after waking up, pale face, body experiencing fatigue, and headache.

the body does a lot of activities in the morning and afternoon. therefore, the body takes about 8 hours to rest. that's the reason why sleep must be for a long time so that the body is refreshed.

I think the effects on a person who sleeps really lit le is going to cause huge negative effects on the human body. It will first of all cause the body to run at extreme capacity. Imagine running an high octane for many hours and not letting it rest.

Not having enough sleep will make the organs work overdrive. The hormones will go haywire. Then the concentration of a person greatly drops. If this goes on in the long term, It causes the person to be depressed and i think may gain some weight.

If a person works in a job which requires a great amount of focus that person who doesn't sleep. Enough cannot really focus and can cause many errors in the things that they do.

Proper sleep is very much necessary and in this polluted world the threshold has gone up from 6 hr to 8hr at least per day. Sleeping as little as 4 hr is too low and this will lead to sleep debt and it has various consequences, some of them are:-

  1. One may find it difficult to concentrate on work.
  2. It may lead to memory loss if you are a student.
  3. You may feel less energetic through out the day.
  4. You may suffer from mental illness and various other health issues.
  5. One may not be that productive in his/her job.
  6. you may develop dark circle in your eyes.
  7. You may not have a charming body language all throughout the day

Thank you and Have a great day.

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