The author of The Highly Sensitive Person, Elaine N. Aron, Ph.D. is a psychologist who specializes in researching the personality trait of high sensitivity.’
She notes that about 15 to 20 percent of people have this trait, and explains:
“It means you are aware of subtleties in your surroundings, a great advantage in many situations.
“It also means you are more easily overwhelmed when you have been out in a highly stimulating environment for too long.”
See much more in the article Elaine Aron and Alanis Morissette on high sensitivity.