This is thought to be caused by frequent nocturnal awakenings and fear of falling asleep. In addition, night-time sleep may be fragmented, with frequent awakenings. At age 25 he began experiencing a series of transformative spiritual awakenings. Green was also the first to link lucid dreams to the phenomenon of false awakenings. Common references in AA deal with "Spiritual Awakenings" and "Spiritual Experience". Due to its ultrashort elimination half-life, zaleplon may not be effective in reducing premature awakenings. Certain aspects of life may be dramatized or out of place in false awakenings. Several Christian groups were founded in America during the Great Awakenings. Then came an era of confessionalization followed by Rationalism, Pietism, and the Great Awakenings. Credence about what precedes awakenings is a core question in connection with the anthropic principle. In the next centuries, it diversified even more with the Great Awakenings throughout the country. His treatment of those patients became the basis of his book "Awakenings" (1973). He appeared in films which also starred his father, including "Awakenings" and "Raging Bull". This is in line with the events of the movie Awakenings. His final credited film was "Awakenings" (1990).