“Recognizing the emotional expressions of someone else changes everything about whether or not you decide to interact with them, and in return, whether they interact with you.
These findings are especially worrying considering that two-thirds of people in the developed nations fail to get sufficient sleep.”
On the flip-side, the better people slept, the better they were at spotting emotional facial expressions.
Professor Walker said:
“The better the quality of dream sleep, the more accurate the brain and body was at differentiating between facial expressions.
Dream sleep appears to reset the magnetic north of our emotional compass.
This study provides yet more proof of our essential need for sleep.”