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. For other people with similar names, see Ronald Howard (disambiguation). Howard (born March 1, 1954) is an American actor and filmmaker. Howard is best known for playing two high-profile roles in television sitcoms in his youth and directing a number of successful feature films later in his career.