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Monday, May 21, 2012

Danger Due To Lack Of Sleep


Sleep is one of the basic necessities needed by the body. During sleep, the human body to improve organ function and growth. Ideally, the human body to sleep for 8 hours a day. If the deficiency, it will result in negative impacts to the body. Consider the following article about some kind of danger due to lack of sleep.
Adequate sleep brings a positive influence in the mindset, enough sleep can increase immunity or the immune system in warding off disease. Here is a hazard due to lack of sleep:
1. Obesity

Sleep plays a role in the body's ability to issue a neurohormone because when the amount of the hormone decreases, the chance of gaining weight increased. In one study, people who are deprived of sleep in two nights have more hormone ghrelin that affect hunger and less leptin which is the appetite-suppressing hormone. In time, this can lead to obesity.
2. Triggered diabetes and heart attacks
Chronic stage of sleep disturbance can trigger a variety of problems in the body. Normally when the body is deprived of sleep can affect blood pressure. Blood pressure will naturally fall during sleep. However, due to lack of sleep can lead to hypertension and cardiovascular problems including heart disease and diabetes trigger. Lack of sleep causes cortisol levels, stress hormones rise during the afternoon and evening, and causes increased heart rate, blood pressure, and blood glucose. It can increase the risk of hypertension, heart disease, and diabetes.
3. Decreased concentration
Good sleep plays an important role in thinking and learning. Lack of sleep can affect many things. First, the disturbing alertness, concentration, reasoning, and problem solving. This makes learning difficult and inefficient. Second, the sleep cycle at night plays a role in "strengthening" of memory in the mind. If not enough sleep, then you will not be able to remember what you learned and experienced during the day.
4. Lead to stress
People who lack sleep causes stress, anger, sadness, and mental fatigue. In addition, lack of sleep and sleep disorders can cause depressive symptoms. The most common sleep disorder is insomnia, which has a strong connection with depression. People with insomnia 5 times more prone to depression. In fact, insomnia is often one of the first symptoms of depression.
5. Decreased skin health
Most people have pale skin and puffy eyes after a few nights of poor sleep. 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 do not get enough sleep, your body release more stress hormones or cortisol. In excessive amounts, cortisol can break down skin collagen or protein that makes skin smooth and elastic.
6. Senile
Researchers from the United States and France found that the events of the brain called sharp wave ripples responsible for strengthening 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.
7. At high risk of cancer
A study revealed that people who sleep less have a 50 percent greater chance of developing cancer than those who sleep more. Lack of sleep can cause hormonal and metabolic disturbances associated with cancer risk, it can erase the benefits of exercise.

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