1 the negatif infact of sleepiness - lack of sleep

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You never feel grumpy and dizziness? Maybe it's due to lack of sleep. Never underestimate this situation! Lack of sleep can affect sexual life, memory, health, appearance, and even make your body "stretchy".

Here are 10 surprising things that happen as a result of lack of sleep:

1. Accident
Lack of sleep is one of the biggest disasters in the history of factors other than the nuclear accident at Three Mile Island in 1979, the largest oil spill Exxon Valdez, Chernobyl nuclear crisis in 1986, and others.

Sounds redundant, but you should be aware of the lack of sleep also affects your safety every day on the road. Drowsiness can slow down your driving time, which is equivalent when you are intoxicated while driving.

A study conducted by Institute for Traffic Safety National Highway States show that fatigue is the cause of 100,000 car accidents and 1,500 deaths a year in the US. Victims of people under the age of 25 years.

The same study shows, if you lack sleep or have a low sleep quality, then it can lead to accidents and injuries at work. In one study, workers who complain of excessive sleepiness during the day are vulnerable injured while working and constantly experience the same accident at work.

2. Concentrations decreased
A good sleep plays an important role in thinking and learning. Lack of sleep can affect many things. First, interfering with alertness, concentration, reasoning, and problem solving. This makes learning difficult and inefficient. Secondly, the sleep cycle at night play a role in "reinforcing" memory in mind. If not enough sleep, then you will not be able to remember what you learned and experienced during the day.

3. Serious health problems
Sleep disorders and chronic sleep deprivation can lead you at risk:

* Heart disease
* Heart attack
* Heart failure
* Irregular heartbeat
* High blood pressure
* Stroke
* Diabetes

According to some studies, 90 percent of patients with insomnia sleep disorder characterized by difficulty falling asleep and staying awake all night-are also experiencing similar health risks.

4. decreased sex drive
The experts reported that sleep deprivation in male and female libido and reduce the urge to have sex. This is due to depleted energy, drowsiness, and rising tension.

For men who suffer from sleep apnea (breathing problems during sleep) sleep deprivation causes sexual arousal sluggish. A study published in the Journal of Clinical Endocrinology & Metabolism 2002 showed, almost all people who suffer from sleep apnea have low testosterone levels. Nearly half of people who suffer from severe sleep apnea have a low testosterone level at night.

5. Causes of depression
In a 1997 study, researchers from the University of Pennsylvania reported that people who sleep less than 5 hours per day for seven days causing stress, anger, sadness, and mental fatigue. In addition, lack of sleep and sleep disorders can cause symptoms of depression.

The most common sleep disorder is insomnia, which has strong links with depression. In a 2007 study involving 10,000 people revealed that people with insomnia 5 times more prone to depression. In fact, insomnia is often one of the first symptoms of depression.

Insomnia and no appetite due to depression are related. Lack of sleep exacerbates the symptoms of depression and depression makes you more difficult to sleep. Plus side, a good sleep pattern can help treat depression.

6. Affect skin health
Most people have pale skin and puffy eyes after a night of sleep deprivation. The situation is really due to a chronic lack of sleep can lead to dull skin, fine lines on the face, and dark circles under the eyes.

If you do not get enough sleep, your body to release more stress hormones or cortisol. In excessive amounts, cortisol can break down the skin collagen or proteins that keep skin smooth and elastic.

Lack of sleep can also cause a little more body to release growth hormone. When we are young, human growth hormone to encourage growth. In this case, the hormone helps increase muscle mass, skin thicken, and strengthen bones.

"It occurs when the body is sleeping soundly-which we called slow wave sleep (SWS) GROWTH released," said Phil Gehrman, PhD, CBSM, Assistant Professor of Psychiatry and Clinical Director of the Behavioral Sleep Medicine Program University of Pennsylvania, Philadelphia.

7. Forgetfulness
Do not want to forget the best memories of your life? Try to multiply sleep. In 2009, researchers from the United States and France found that the events of the brain called the sharp wave ripples are responsible to strengthen the memory in the brain. This event also transfer information from the hippocampus to the neocortex in the brain, where long-term memories are stored. Sharp wave ripples occur mostly during sleep.

8. Body to be "stretchy"
If you ignore the effects of sleep deprivation, so be prepared with the threat of being overweight. Lack of sleep is associated with increased hunger and appetite, and likely to become obese. According to a 2004 study, nearly 30 percent of those who slept less than six hours a day tend to be more obese than those who slept seven to nine hours a day.

Recent research has focused on the relationship between sleep and peptides that regulate appetite. Ghrelin stimulates hunger and leptin signals satiety to the brain and stimulates the appetite. Short sleep time is associated with a decrease in leptin and increase in ghrelin.

Lack of sleep not only stimulate the appetite. It also stimulates the desire to eat fatty foods and foods high in carbohydrates. Ongoing research conducted to investigate whether adequate sleep should be a standard part of a weight loss program.

9. Increase the risk of death
In the 2nd Whitehall study, British researchers discovered how sleep patterns affect the mortality rate of more than 10,000 British civil servants over the past two decades. Based on the results of a study published in 2007, those who sleep less than 5-7 hours a day increased the risk of death from a variety of factors. Even lack of sleep increased two-fold risk of death from cardiovascular disease.

10. Particularly damaging assessment of sleep
Lack of sleep can affect the interpretation of events. State's limp body to make we can not assess the situation accurately and wisely. You who sleep less are particularly vulnerable to poor judgment when it comes time to assess what is lacking something.

In the fast-paced world today, sleep habits become a kind of badge of honor. Specialists on the bed saying, you're wrong if you think okay despite lack of sleep because no matter where you work in any profession, would be a big problem when you can not judge something well.

"Studies show that over time, people who sleep for 6 hours, instead of 7 or 8 hours a day, began to feel that they have adapted to the state of sleep deprivation. They're used to it," said Gehrman.

"But if you look at the results of the test performance and mental alertness, their value continues to deteriorate. It explains how lack of sleep interfere with our daily activities."

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