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 Biography. Ron Howard was a TV star who grew up in front of the cameras, then gave up acting to become a successful director and producer of Oscar-caliber movies including A Beautiful Mind (2001) and Apollo 13 (1995). From a family of actors, Howard began working in television in the late 1950s.