What does sleep deprivation do to the way in which we perceive various emotional stimuli? A researcher from the Karolinska Institutet in Sweden has written a thesis aiming to answer this question.
Ever felt grumpy after a sleepless night? When we do not manage to satisfy our need for rest, our brains tend to rebel in various ways. Sleep deprivation, studies have shown, can be just as bad as being drunk, as it alters your perception of space and your reaction time.