[4] In 1980, the category of adjustable air-supported sleep systems was invented by a private company, Comfortaire Corporation of South Carolina.

[9] Other endorsers include conservative radio talk show hosts Glenn Beck, Paul Harvey and Laura Ingraham.

In 2014, he was convicted and sentenced to 25 years in prison for fraud, tax evasion, witness tampering and conspiracy for repeatedly misleading investors about Bixby Energy.

The case was originally dismissed in 2015 by U.S. District Judge Joanna Seybert in Central Islip, New York but later revived by the 2nd U.S.

[20] In 2015, a class action lawsuit was filed against Sleep Number and Leggett & Platt accusing the companies of failing to uphold the warranty and fix a bed they sold to customers, David and Katina Spade.

[21] On November 9, 2019 Dires LLC, the legal entity that sells the Personal Comfort Bed, filed a lawsuit in Minnesota state court accusing Sleep Number of monopolization, tortious interference, deceptive trade and unjust enrichment.

They provided evidence of Sleep Number employees posting false and negative comments about its products on Facebook and YouTube.