Paid sleep studies actually exist—in the name of science, reports Don’t Waste Your Money.

Such studies are typically offered at most major hospitals, and all you have to do is search. For example, a quick Google search led me to the Georgetown University Medical Center website, where I was able to scroll through countless studies. Jillian Shea, the aforementioned sleeper with the big payout, entered two different studies at Brigham and Women’s Hospital in Boston.