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.
Ron Howard: Education History. Ron attended John Burroughs High School. After that, he attended the University of Southern Californiaâs School of Cinematic Arts. However, he did not graduate from the university. Ron Howard: Professional Life and Career. Ron has been an active member in the entertainment industry since 1959.