| 2025-12-04 | Brand with "counting sheep" mascots |
| 2025-09-16 | Sealy competitor |
| 2025-03-08 | Company founded as Sleeper, Inc. |
| 2024-12-26 | Tempur-Pedic competitor |
| 2024-10-13 | King maker? |
| 2024-09-20 | You might sleep on it |
| 2024-09-03 | Big name in mattresses |
| 2024-06-01 | Company originally founded as Sleeper, Inc. |
| 2024-03-13 | Sealy competitor |
| 2024-01-11 | Company where workers may sleep on the job |
| 2023-12-20 | Company with Counting Sheep commercials |
| 2023-01-12 | Company whose mascots are sheep with numbers painted on them |
| 2022-07-24 | Casper competitor |
| 2022-02-27 | Brand with an iComfort line |
| 2022-01-01 | Brand with an iComfort line |
| 2021-11-16 | Sealy competitor |
| 2020-11-10 | Big name in mattresses |
| 2020-10-26 | Sealy competitor |
| 2020-08-14 | You might sleep on it |
| 2020-07-04 | Commercial prefix with -pedic since the 1950s |
| 2020-06-19 | iComfort company |
| 2020-05-11 | Mattress giant |
| 2020-04-04 | Queen or king maker |
| 2020-02-10 | Mattress brand |
| 2019-08-10 | Competitor of Stearns & Foster |
| 2019-07-22 | Big name in mattresses |
| 2019-05-12 | Brand pitched as "Always Comfortable" |
| 2019-04-05 | Alternative to Tempur-Pedic |
| 2018-11-18 | Tempur-Pedic rival |
| 2018-10-05 | King maker |
| 2018-04-24 | Company with numbered sheep plush toys |
| 2017-08-04 | Maker of the iComfort line |
| 2016-07-17 | Sealy rival |
| 2016-02-11 | Perfect Elements maker |
| 2015-11-15 | Company that encourages people to lie? |
| 2015-06-21 | [Mattresses] |
| 2015-01-03 | Maker of iComfort |
| 2014-12-27 | Comfortaire competitor |
| 2014-10-24 | Sleep on it |
| 2013-11-11 | Mattress brand |
| 2013-08-06 | Mattress giant |
| 2012-05-26 | Perfect Day maker |
| 2012-04-28 | Alternative to Tempur-Pedic |
| 2011-01-18 | Sealy competitor |
| 2010-12-15 | Perfect Sleeper maker |
| 2010-10-07 | Mattress brand |
| 2010-03-21 | Sealy competitor |
| 2009-12-30 | Competitor of 39-Across |
| 2009-08-05 | Perfect Sleeper maker |
| 2009-06-20 | Option at Sleepy's |
| 2009-06-18 | Mattress brand |
| 2009-03-15 | Tempur-Pedic competitor |
| 2008-11-01 | Spring Air competitor |
| 2008-08-13 | Spring Air rival |
| 2008-06-11 | Sealy competitor |
| 2008-03-21 | Perfect Day maker |
| 2008-01-27 | Mattress brand |
| 2007-06-24 | Perfect Sleeper maker |
| 2007-06-13 | Mattress giant |
| 2007-02-06 | Stearns & Foster competitor |
| 2006-10-01 | Simmons competitor |
| 2005-10-18 | Major mattress maker |
| 2005-04-13 | Sealy competitor |
| 2003-10-12 | A name that people lie about? |
| 2003-09-13 | Airsleep company |
| 2003-04-25 | Simmons rival |
| 2002-03-10 | Simmons competitor |
| 2001-06-17 | Sealy rival |
| 2001-01-11 | Name for a king or a queen? |
| 2000-04-08 | Sealy competitor |
| 1999-11-05 | Simmons competitor |
| 1999-06-11 | Spring Air alternative |
| 1999-02-28 | Sealy competitor |
| 1998-07-25 | Spring-Air competitor |
| 1998-03-08 | Mattress brand |
| 1998-03-07 | Sealy competitor |
| 1998-01-24 | Sealy rival |
| 1997-12-23 | Sealy rival |
| 1997-08-24 | Sealy competitor |
| 1996-06-10 | Perfect Sleeper maker |
| 1995-06-17 | Sleeper maker |
| 1994-09-09 | Sealy rival |