Spiritual, religious, sacred, or mystical experiences may be broadly defined as subjective human experiences that appear to the person undergoing them, or to others, to convey or imply contact with or knowledge about a transcendent power, presence, or superior reality beyond the realm of the physical. Research has shown that these forms of awareness of 'something beyond' are of considerable significance in the ordinary lives of very many people, as well as being elements of signal importance in the origin and development of religion: not least by deepening characteristically spiritual or religious attitudes, emotions, beliefs, values and practices, along with fundamental orientations of life and quests for meaning. This Studyguide provides a succinct and lucid introduction to the subject for those studying and teaching religion at both undergraduate and GCE AS/A level. By exploring the key areas of both the empirical and theoretical study of religious and spiritual experience, the Studyguide will serve as an accessible and nonpartisan guide to enable its readers to explore the range of challenging data, debates, approaches, and issues that relate to the study of this widespread and significant phenomenon.