Night Warriors is a novel written by Graham Masterton. It was first published in 1986.
In California, a woman's dead body gives life to unutterably foul offspring. She has become the first mother of the Nightspawn. She will not be the last. The Nightspawn will cover the Earth. Unless three ordinary people can tap the powers within them. Unless they can learn to be Night Warriors, pursuing unstoppable evil through the nightmares of the cruel and the sweet sleep of the most innocent. The battle for humankind must be fought in dreams.