Are you feeling emotionally fragile, moody, unpredictable, even ungenerous to those around
you? Here, we review how and why these phenomena can occur as a result of insufficient …

Sleep deprivation is commonplace in modern society, but its far-reaching effects on
cognitive performance are only beginning to be understood from a scientific perspective …

Take-it or leave-it offers are probably as old as mankind. Our objective here is, first, to
provide a, probably subjectively colored, recollection of the initial ultimatum game …

Sleep deprivation has previously been shown to intensify neural and autonomic responses
to increasingly negative stimuli. Here, we report how this potential bias to negative stimuli …

Humans help each other. This fundamental feature of homo sapiens has been one of the
most powerful forces sculpting the advent of modern civilizations. But what determines …

Sleep and emotion are closely linked, however the effects of sleep on socio-emotional task
performance have only recently been investigated. Sleep loss and insomnia have been …

A large body of sleep physiology research highlights a broad array of effects of sleep on
human functioning. Until recently, this literature has been completely isolated from the …

People spend large portions of their lives working, often to the detriment of sleep.
Businesses often ignore the importance of employee sleep despite evidence showing sleep …

Sleep loss may result from total sleep deprivation (such as a shift worker might experience),
chronic sleep restriction (due to work, medical conditions or lifestyle) or sleep disruption …

Facial expressions represent one of the most salient cues in our environment. They
communicate the affective state and intent of an individual and, if interpreted correctly …