Parasomnias (Hypnagogic hallucinations)

Hallucinations sleep - is an imaginary person events, which seem very realistic. The majority of sleep-related hallucinations are visual, but sometimes aural, tactile, gustatory and even olfactory hallucinations. There are also hallucinations associated with the sense of movement.

If the hallucination occurs before going to sleep, then it is called hypnotically, and if upon awakening, hypnoticasia. But in the literature often used the General term "hypnagogic hallucinations".

Complex visual hallucinations in the form of still images of people or animals. These hallucinations usually occur after a sudden waking from sleep. A person knows that at the moment is in a state of wakefulness. At first he might get scared, thinking that these creatures are present in the room actually. And in fear, can jump out of bed and even injury. The perceived images can be distorted or unusual size. They can persist in the imagination for several minutes. After turning on the light in the room hallucinations usually disappear. Such episodes occur infrequently. In some cases, they may be associated with headaches type migraines. In this case, the headache quickly disappears after the disappearance of hallucinations.
The phenomena with which witnesses link the images: ghosts, supernatural entities, aliens.

The most prone to such visions of the children, especially in the first years of life. With age, the number of such visions is reduced, but it is believed that every person in life at least once have experienced such visions.

Besides age, there are a number of factors that increase the chance to experience such visions: stress, insomnia, daytime sleep, etc.

Translated by «Yandex.Translator»