'''Serta''' is a company that specializes in making [[mattress]]es. It was founded in [[1931]] by 13 mattress manufacturers who licensed the Serta name, and now eight independent [[franchisesfranchising|licensees]] acting like a [[cooperative]] own the company. Its largest licensee '''National Bedding Company''' (which owns 19 of 26 Serta factories) manages Serta. It is famous for its "[[counting sheep|Counting Sheep]]" advertising campaign which were animated by [[Aardman Animations]].<ref>[http://www.adweek.com/aw/creative/best_spots_02/020816_15.jsp ''AdWeek'' - Serta Perfect Sleeper | "Penalty"] retrieved June 19, 2006</ref> It is the second largest mattress brand in the [[United States]].
