I keep hearing this little girls voice. What could this mean and or could I be just sleep deprived?

The first time I heard her I couldn't tell if I was awake but I sat Stright up in bed after what felt like my girl friend rubbing my face, but she wasn't there or anyone else.the touching felt so real and then after that I head the little girl cry and say something thing but every time I hear her it's all mumbles only her crying are clear. I'm trying to find out if this is of my mind playing tricks on me all day, or if it's something real. Apparently my grandfather was good at seeing things/ or guessingwhen things would happen. So my girl friend thinks it could be some sort of ability sort to say..... But I've never felt anything so real and sounds that are unexplainable to myself. I just want others opinion to get a wider view on what this girls voice could be and meen. Thanks for your time reading my question. -Brett