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10 disadvantages of sleep deprivation

Posted on Sunday, April 3, 2011 by Arman Zulhajar

Have you ever feel moody and dizzy? Maybe it was due to lack of sleep. Do not ever underestimate this situation! Lack of sleep can affect your sex life, memory, health, appearance, and even make your body fat.

Here are 10 surprising things that happen due to lack of sleep:
  1. Accidents, Sleep deprivation is one of the biggest disasters factors in the history other than nuclear accidents at Three Mile Island in 1979, the biggest oil spill Exxon Valdez, Chernobyl nuclear crisis in 1986, and so forth.Sounds excessive, but you must realize that lack of sleep also affects your safety every day on the road. Drowsiness can slow down your time driving, which is equivalent when you are drunk while driving. A study conducted by Safety Institute National Highway Traffic Americans showed that fatigue causes 100,000 car accidents and 1,500 deaths a year in the U.S.. The victim was a person under the age of 25 years old. The same study shows, if you lack sleep or have a low sleep quality, then it can cause accidents and injuries at work. In one study, workers who complain of excessive sleepiness during the day are vulnerable injured at work and constantly experience the same accident at work.
  2. It causes depression. A study on1997, researchers from the University of Pennsylvania reported that people who sleep less than 5 hours per day for seven days led to 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. A study on 2007 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. Sleep deprivation exacerbates symptoms of depression and depression makes you more difficult to sleep. On the positive side, a good sleep pattern can help treat depression. 
  3. Reduce Libido, lack of sleep in men and women reduce libido and sexual disfunction. This is due to depleted energy, drowsiness, and rising tension. For men who suffer from sleep apnea (breathing problems during sleep disturbing) lack of sleep cause sexual arousal sluggish. A study published on the Journal of Clinical Endocrinology & Metabolism in 2002 showed, almost all people who suffer from sleep apnea have lower testosterone levels. Nearly half of people who suffer from severe sleep apnea have a low testosterone level at night.
  4. Gain Weight. If you ignore the effects of sleep deprivation, so be prepared with the threat of being  overweight. Sleep deprivation is associated with increased hunger and appetite, and likely to become obese. According to a study in  2004, nearly 30 percent of the people who sleep less than six hours a day tend to be fatter 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 decreased leptin and an increase in ghrelin. Lack of sleep not only stimulates 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 part of the standard weight-loss program. 
  5. Particularly damaging assessment of sleep. Lack of sleep can affect the interpretation of events. Limp body doesn't make us judge the situation accurately and wisely .Those who sleep less are particularly vulnerable to bad judgments when it comes time to assess what is lacking of something .
  6. Increase the risk of death. British researchers discover how sleep patterns affect mortality rate of more than 10,000 British civil servants over the past two decades .Based on research published in 2007 , those who have been sleeping less than 5-7 hours a day increased the risk of death due to various factors .Even the lack of sleep increased double risk of death  caused by disease kardiovaskular.
     
  7. Forgetful. Not wanting to forget the best memories in your life ?Try to multiply sleep .In 2009, researchers from America and France found that brain events are called sharp wave ripples is responsible for strengthening the memory in the brain .This situation 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. Affect the health of skin. Most people have pale skin and puffy eyes after a night of sleep deprivation. The situation is completely 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 are not getting enough sleep, your body release more stress hormones or cortisol. In excessive amounts, cortisol can break down skin collagen or proteins that make the skin smooth and elastic. Lack of sleep also can cause the body to release less growth hormone. When we were young, human growth hormones to encourage growth. In this case, these hormones help increase muscle mass, thicken skin, and strengthen bones.
  9. Serious health problems, sleep disorders and chronic stages of sleep deprivation can lead you to the risk such as Heart disease, Heart attack, Heart failure,  irregular heartbeat, high blood pressure, Stroke, and Diabetes. According to some studies, 90 per cent of people with insomnia - sleep disorder characterized by trouble falling asleep and stay awake all night are also experiencing similar health risks.
  10. Decreased concentration, good sleep is an important role in thinking and learning. Lack of sleep can affect many things. First, interfering with alertness, concentration ,reasoning, and problem-solving.Sleep deprivation makes learning difficult and inefficient. Secondly , the sleep cycle at night play a role in " strengthening " of the memory in your. If not enough sleep, then you will not be able to remember what you learned and experienced during the day.



     


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