Guided Relaxation, Imagery and Meditation for Promoting Sleep. Australian Psychologist Sarah Edelman's soothing voice accompanied by Malcolm Harrison's relaxing music guides the listener through a series of calming imagery and gentle exercises. These calm and sedate the listener by distracting attention away from thoughts , reducing anxiety and releasing tension and physical arousal, which are common obstacles to sleep. It is most effective when used lying in bed, and can be used nightly, or just on those occasions when it is difficult to sleep.