Marina Khidekel, founder of Hugimals, says that adults who are buying her stuffed animals are doing so to address troubles with anxiety and sleep.Shutterstock/Sayam T Adults are clamoring for stuffed animals, a craze that is part of a larger toy trend among adults. But stuffed animals are not simply toys utilized for joy and amusement. For some people, stuffed animals help alleviate anxiety and loneliness. Stuffed animals aren't just for kids anymore.