A blond girl walked into a hairdressers and asked for a haircut. She sat down in the chair and told the hairdresser not to take her headphones off her umder any circumstances. Soon she fell asleep and the hairdresser noticing this removed her headphones to make it easier to cut her hair.
When the hairdresser was finished cutting the girls hair she went to wake the girl but the girl wouldn't wake up.
Puzzled, they listened to what the girl was listening to on the headphones. It was a voice repeating 'Breath in, Breath out'