Approximately 5% of the world population regularly talk in my sleep, and that's fine. Scientists believe, the reason there is nothing to worry.
Especially often talk in my sleep children. This is facilitated by vivid emotions, which handles the brain of a child at night. With every passing year the frequency of such conversations is reduced. That is why the relatives and close people can be very intimidating when you hear a sleepy voice rang out in the night.
There are two types of sleep talk. In the first case it is clear and legible. At this time, the man just falls asleep and is located on the surface of sleep. In the second case, to understand speech almost impossible. This phenomenon is observed in a shallow sleep when a person is already having dreams.
To survive, scientists believe, about sleep talk is not necessary. The phenomenon is common and safe for health.