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And as you can see, it was no small task.
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Aaron's CEO John Robinson pushed over the first mattress. The 1,200 people held mattresses behind them and fell backward into each other, one at a time. It took 13 minutes and 38 seconds for the final mattress to fall.
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The attempt, which was successful on the first try, was aided by a dominoes expert and certified by a Guinness World Record adjudicator. It beat the 2012 record by 50 mattresses.
The Atlanta-based company says it will be donating all 1,200 mattresses to Washington-area organizations focused on ending poverty and providing shelter to homeless families.
Click here to take a look at more world records.
The Associated Press contributed to this report.