Transcript for Some Use This YouTube Whisperer's Videos To Sleep
You're about to meet a star who uses youtube videos to make a name for herself. A very, very quiet name. When she whispers to her fans, they say her voice cures all kinds of problems or simply makes them happy. Could it help you, too? Here's ABC's bazi kanani. This is Marie again with you. Reporter: She's become a youtube sensation. So soft. Reporter: By making her viewers feel a unique sensation. And I'm going to gently whisper into your ear. Reporter: Her fans hanging on her every whispered word. Millions watching her fold towels. Press. Reporter: Massage her face. Even play doctor. Let me listen to your heart. Reporter: A whisper feels very intimate. It does. Almost like you are apart of something secret. Reporter: What is her secret? It's a wonderful wave sensation that travels from the back of your head into your neck. Reporter: She's describing a condition called asmr. For maria and others who say they are asmr sensitive, certain sounds trigger sublime sensations. Just tapping. Like bubbling in your head. Reporter: These videos bring her viewers into an intimate experience. Watch as she brushes the lens and microphone, pretending to be a makeup artist. I'm really trying to break the barriers of the camera and really almost be with them there. Reporter: Science has yet to prove if the asmr phenomenon is fact or fiction. Tingling sensation is E euphor euphoric. For people who have experienced it, they claim some pretty powerful results, but again this is untested. It's unvalidated. And it's really largely unresearched. Reporter: But maria says videos like these helped her destress and even overcome depression. I want you to remember that you are never alone. Reporter: Proving that a quiet voice can pack a powerful punch. For "Nightline" -- Reporter: Bazi kanani, ABC
This transcript has been automatically generated and may not be 100% accurate.