talkin while asleep

About four times a year my wife will do the strangest thing in her sleep.
She starts saying no, no and then goes into a deep voice and starts talking in a strange
language that I never have herd, she says the same thing over and over it will last for about two minuets. The first time it scared the living **** out of me, one time I got up went out side to see if there was a UFO around. She never remembers doing it and thinks I am nuts when I tell her. This has been going on for 30+ years. Beam me up Scottie !!

Kenny