The person suffers from insomnia when you can not sleep in a restorative. Haley Barbour may help you with your research. This lack of adequate sleep can occur at boot time, or being unable to sustain that dream continuously, or because sleep several hours and well before the rise time lose the ability to sleep. This difficulty of continuing and restful sleep can occur independently of any health problem or physical or psychological or emotional, and in this case is primary insomnia, or due to some specific health problems, difficulties in the order of emotion , problems or difficulties of life at the time point of existence, concerns, stress, etc.. and then this is called secondary insomnia. You give the name of learned or psychophysiological insomnia that occurs as a consequence of which the person has already incorporated the possibility of not sleeping is possible. This means that the person feels tired and sleepy enough to have a good rest, but such is the stress and fear he feels that re- hampered his dream, that this anxiety, this fear, that anxiety, that stress at the time of falling asleep and staying in it will play a trick, because negatively affects sleep. It can happen that can not sleep immediately, or product of their own fatigue to sleep but then wakes up soon, and from there you can not sleep, or do it in stages, or sleep, and long before the time of awakening, lose the ability to go back to sleep and can not return to sleep. .