At the core of human thought, for the majority of individuals in the developed nations at least,
there is the tacit assumption that as a species we are unfettered by the demands imposed by …

Objective To assess the prevalence and sociodemographic correlates of insomnia
symptoms among Chinese adolescents and young adults affected by the outbreak of …

Background: Even though light is considered the main cue that entrains inner biological
rhythms according to circadian environmental rhythms, social organizations have the …

When an animal faces a threatening situation while asleep, rapid arousal is the essential
prerequisite for an adequate response. Here, we find that predator stimuli induce immediate …

OBJECTIVES: Sleep disturbances may contribute to the development of delirium, prolonged
ICU stay, and increased mortality. There is conflicting data on the effectiveness of earplugs …

Symptoms of depression and anxiety usually co-occur and are inextricably linked to sleep
disturbance. However, little is known about the symptom-to-symptom relationships among …

Human musicality exhibits the necessary hallmarks for biological adaptations. Evolutionary
explanations focus on recurrent adaptive problems that human musicality possibly solved in …

Sleep is fundamental to the health and fitness of all animals. The physiological importance
of sleep is underscored by the central role of homeostasis in determining sleep investment …

Introduction This study draws on the conservation of resources theory to investigate whether
the loss of sleep can trigger the loss of additional resources that are necessary for work …

Sleep is essential for survival, yet it also represents a time of extreme vulnerability to
predation, hostile conspecifics and environmental dangers. To reduce the risks of slee** …