1 The sleep disorder of night terrors typically occurs in children aged 3-12 years, with a peak onset in children aged 3Â½ years.  Sleep is divided into 2 categories: rapid eye movement (REM) and nonrapid eye movement (non-REM). Non-REM sleep is further divided into 4 stages, progressing from stages 1-4.
Ron Howard is currently married to Cheryl Howard. He has been in one celebrity relationship averaging approximately 41.8 years. His one marriage has lasted 41.8 years so far. Ron Howard's Relationships.
Howard Gardner. Howard Earl Gardner (born July 11, 1943) is an American developmental psychologist and the John H. and Elisabeth A. Hobbs Professor of Cognition and Education at the Harvard Graduate School of Education at Harvard University. He is currently the senior director of Harvard Project Zero, and since 1995, he has been the co-director of the Good Project.