In comes ASMR. Autonomous Sensory Meridian Response (ASMR) or “braingasm” is a sensation that manifests itself as a gentle shiver that runs from your head down your spine and limbs. This is not to be confused with the more commonly known chills or “goose bumps,” as those are called frisson.
Some people report that it enters them into an amazingly relax euphoric state that leaves them surprisingly relaxed. Some people even report that it helps them to relax anxiety and other stress related symptoms.
For more information, check out the full article by Haim Pekel posted at Lifehack.