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Symptoms of Insomnia

The lack of sleep affects very seriously the "emotional" brain and makes us more prone to depression and mental illness. Lack of sleep, however, breaks the mechanisms that protect us from mental illness.

"Usually insufficient sleep has been associated with lethargy and not very reactive," says Walker.

The neurologist at Berkeley says his study has shown that may be linked to the increasing lack of sleep among the population and increasing mental illness. "The bottom line is that sleep is not luxury but a biological need to stay emotionally healthy," adds Walker. Various investigations had so far shown that sleep deprivation decreases our immune capacity, affects the metabolism and seriously affects learning abilities, attention to memory. The new study puts an end to the fore the emotional side, hitherto relegated to the background.

Sleep deprivation costs society a lot of work and accidents, but also could increase the incidence of certain diseases. The long hours and watching TV late causes people to spend less time in bed. This group of researchers says that the impact of sleep deprivation is higher than thought and that impresses even experts in the field when reviewed. They say that 50 to 70 million Americans suffer from disorders at bedtime and suffer endless sleep deprivation.

Specialists in the area say that a good night sleep is so important to health as proper diet and regular exercise. The problem may have been underestimated by Harvey Colton of Columbia University in New York City and study leader. We need seven to nine hours of sleep each person according to rest, and less than that amount of time begins to produce physical and mental problems.

In the far more serious sleep disorders are chronic insomnia, narcolepsy and sleep apnea. Twenty percent of serious road accidents are related to lack of sleep for drivers. On the other hand according to studies of sleep deprivation is associated with an increased incidence of diabetes, heart problems or obesity, although the real reasons are still unclear. According to some experts many Symptoms of Insomnia could be overcome by changing certain habits such as cutting the consumption of products containing caffeine, not watching TV in bed.

To diagnose other ailments related to these problems the researchers suggest the development of small sensors that measure brain activity while sleeping at home instead of taking them to a laboratory or hospital to sleep there. These studies are needed to investigate the need for sleep and we also examine how sleep deprivation affects the development of disease. Too little sleep increases the chance of becoming obese, says a recent study. People burn fewer calories when asleep, so it may sound counter-intuitive that more sleep prevents weight gain.

However, it found that people who slept four hours or less per night were 73% more prone to obesity, perhaps due to the effects of appetite hormones. The study analyzed data from 18,000 people between 32 and 59 years of age who participated in a nationwide research conducted in the 80s. We found that even after considering factors such as depression, physical activity, alcohol consumption, race, education level, age and gender, people were more likely to get fat from less sleep.