Sleep is vital for normal functioning of our body and mind because it is the time when the body gets time to repair. During daytime, the brain is exposed to lots of information and receives many inputs, and in the night, it records, rejects and sorts out the data. Sleep in mandatory for physical and mental restoration, and insufficient sleep can cause several physical and emotional problems. One of the most significant effects of insomnia is physical because security and sleep are very crucial needs of a human being.

One of the biggest impacts of insomnia is on the personality of a person, and insomniac develops the tendency to burst over something which is very petty. Insomnia makes the person very fatigued, tired, with reduced level of energy, and slowed down reflexes. Insomnia also affects person’s ability to remember, learn, and concentrate. It makes a person more emotional and negative, reacting too much for petty matters leading to arguments and strained relationships.

There is lack of concentration, the person becomes very sluggish and along with the severity of insomnia, the performance starts becoming worse. Throughout the day, brain is exposed to a lot of information, and during sleep, brain processes, discards and stores the data. In case of chronic insomnia where insomnia is severe and continues for several days, the person can even experience hallucinations. Insomnia has also been associated with obesity as lack of sleep increases the level of hormone ghrelin which indicates hunger to the body.

Depression is another common effect of insomnia, and vice-versa is also true. The way insomnia affects younger and older people is different. Insomnia can severely affect the health of a person, and the person may feel very fatigued, tired, with reduced level of energy and slowed reflexes. Insomnia affects metabolic, cardiovascular, nervous and immune system of a body.

Studies indicate that lack of sleep can lower the temperature of the body making it difficult for vital functions to sustain. Trying to treat the symptoms by using antihistamines, alcohol or other nonprescription sleep aids can be dangerous and the problem might get compounded. Deprivation of sleep increases cortisol level in the body, accelerating aging and impairing immune system. If you feel that there is certain medical condition responsible for sleeplessness, make sure that you convey it to your doctor and explore what can be done to cure it.