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 …

Recently, increased interest and efforts were observed in describing the possible interaction
between sleep and emotions. Human and animal model studies addressed the implication …

Detection and avoidance of sick individuals have been proposed as essential components
in a behavioural defence against disease, limiting the risk of contamination. However …

Abstract Study Objectives To determine how sleepiness and sleep deprivation drive the
motivation to engage in different behaviors. Methods We studied the sleepiness of 123 …

Daytime sleepiness impairs cognitive ability, but recent evidence suggests it is also an
important driver of human motivation and behavior. We aimed to investigate the relationship …

This study investigates the antecedents of an entrepreneur's day-level innovative behavior.
Drawing on 2,420 data points from a 10-day experience sampling study with 121 …

Facial appearance signals information about an individual, and one trait in particular is
vitally important for social interaction and mate choice decisions: physical health. Facial …

As the most voluminous organ of the body that is exposed to the outer environment, the skin
suffers from both intrinsic and extrinsic aging factors. Skin aging is characterized by features …

Identification of sick conspecifics allows for avoidance of infectious threats, and is therefore
an important behavioral defense against diseases. Here, we investigated if humans can …

The Western diet has undergone a massive switch since the second half of the 20th century,
with the massive increase of the consumption of refined carbohydrate associated with many …