Sleep Standards wants to pay five couples $3,000 each for having sex on eight different mattresses to see which one is the best.

The popular sleeping research and advice company will send its chosen couples a new mattress weekly, for eight weeks, and all they have to do is provide a honest review on how good the mattress is for bumping uglies.

According to information on the company’s website, they will will swap out the used mattresses when a new one arrives.

5 killed, others injured as plane parts hit California house

Sleep Standards also disclosed that all mattress “testing” will be done inside the comfort of the couples’ own homes.

The company says: “We all know that a bad mattress can lead to problems in bed, and a good mattress can do wonders. To save people the trouble of looking for a comfortable mattress through trial and error, we came up with this experiment”