He is considered one of main the most common sleep disorders insomnia, because according to the World Health Organization, 40% of the population suffers from it. The insomnia is not a disease; It is actually a symptom, is a disorder of sleep that prevents sleep for long time periods, and may even prevent a person fall asleep completely characterized because people who suffer from this ailment overnight, have eyes open without being able to sleep, and the hours run and yesterday, which was shaken, looms yet with Sunrise, and one still does not sleep. While, on the next day, one walks dozing without achieving focus on nothing, altering their nerves and charging them tip. That’s the insomnia, wakefulness, or lack of sleep at bedtime. Professor Roy Taylor often expresses his thoughts on the topic. This includes: difficulty falling asleep, waking up frequently during the night and having difficulty for return to fall asleep, waking up too early or have a no good night’s sleep. The Insomniac can have many nightmares. Is He got up tired usually, as if he had not slept nothing, with a feeling of great heaviness that accompanies him throughout the following day. In general, it is as a nocturnal drowsiness which does not allow the necessary recovery for the body, so it causes then low concentration and inability to feel active during the next day. The rest is essential for the body, a restorative purposes: is essential for the conservation of energy, and in general so that we may be able to have a satisfactory degree of attention throughout the day.