Answer: Slow-wave sleep (SWS)
Explanation:
Slow-wave sleep (SWS) is the deep sleep condition that occurs with stage three persisting non-repaid eye movement. It processes memory consolidation that can carry out slow brain activity. It is important for survival and development in human as it secretes growth hormones.
Slow wave sleep can induce sleep walking and dreaming process in an individual. It also cause some negative effects such as nightmare or bad dreams, wetting the bed at night etc.
