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In the video shown above, actors are sent into the subways to tape a written note, "Please wake me up at 'X' station," on their heads and then to take a nap. The goal of the very simple experiment is to see if people are willing to comply with the request and help a stranger out.

Many giggled at the sight of the signs; some even took pictures. But in the end, the endearing video revealed that many people would go out of their way to wake up a person upon request.

When interviewed on why they would wake up a stranger, people replied, "In this situation, shouldn't you help out?", and "How tired they must be to be like that, did they pull an all-nighter to study? I did it because I thought of these things."

The video concludes with, "If you have a little interest [in others], the world will become a warm place," in hopes of encouraging its viewers to similarly help each other out. The video has gained over 500,000 views, with netizens responding positively like: