You need some tingly ASMR facts you can fall asleep to. This phenomenon called Autonomous Sensory Meridian Response (ASMR) is a big deal on YouTube! It only makes sense. You’re stressed, can’t sleep, and filling your head with warm tingles is your magical key into dreamland. Then again, you might also be new to this whole thing. You’re siting there thinking, what the heck is ASMR? Allow me to help you out.