Insomnia may be defined as habitual sleeplessness. It is a condition wherein a person faces certain disorders like inability to get sleep, often waking up during the night, problem in going back to sleep and waking up too soon. Insomnia may be classified into primary and secondary insomnia.
Primary insomnia is nothing but the inability of an individual to attain adequate sleep. Primary insomnia is a very common situation which is momentary and lasts only for thirty days approximately. The reasons for primary insomnia include long hours of travelling, busy work schedules, psychological setbacks, stress, etc.
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On the other hand, secondary insomnia is the result of sleeplessness due to serious problems. Depression is an often observed reason for secondary insomnia. Secondary insomnia must always be treated under the strict analysis by a doctor because secondary insomnia may further develop into any other chronic disease that can be life threatening at times.
Common adverse effects of insomnia include being tired throughout the day and being irritable. It also causes difficulties in concentrating. When we do not get adequate sleep, our cognitive processes stop functioning properly. It affects our reasoning, problem solving ability, alertness, concentration, reasoning and attention. It also affects our learning ability.
Insomnia can cause accidents and injuries in the workplace. Insomnia also causes accidents on the road. Drivers suffering from insomnia cause a number of accidents on the road. It can also result in memory loss. It also impairs our judgement.
It can also lead to diseases like diabetes, high blood pressure, stroke, heart diseases and irregular heart beat. Research has shown that people who suffer from insomnia are at the risk of dieing early, mostly due to heart attacks.
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Insomnia can also lead to faster aging of the skin. Lack of sleep can result in dark circles, fine lines and wrinkles. Cortisol, the stress hormone is released when you suffer from insomnia. This hormone breaks down collagen that keeps our skin firm and elastic.
Insomnia also leads to weight gain. It not only stimulates the appetite, it also initiates the cravings for food items high in carbohydrates and fats.