It looks either really painful or kind of fun.
The attempt involved brave 1,200 participants, and they nailed it first try -- which is incredible in itself.
The human dominoes lasted a total of 13 minutes and 38 seconds, according to Guinness World Records.
A dominoes expert set up 34 rows of mattresses, and the first mattress was pushed over by Aaron’s CEO John Robinson.
There really is a Guinness World Record for everything.
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